Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN: 9781337515610
Author: Crauder
Publisher: Cengage
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Chapter P, Problem 18E
When the Radius Increases
a. A rope is wrapped tightly around a wheel with radius of
b. Consider a rope wrapped around the Earth’s equator. We noted in Exercise 17 that the radius of the Earth is about
The Size of the Earth The radius of the Earth is approximately
a. How far is it around the equator? (Hint: You are looking for the circumference of a
b. What is the volume of the Earth? (Hint: The volume of a sphere of radius
b. What is the surface area of the Earth? (Hint: The surface area of a sphere of radius
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Name:
Tay Jones
Level Two
Date:
Algebra 3 Unit 3: Functions and Equations Practice Assessment
Class:
#7-OneNote
1. The function f(x) = x² is transformed in the following functions. List the vertex for each function,
circle whether the function opens up or down, and why. All three parts must be correct to receive Level 2
points. You can receive points for a, b, and c.
a) g(x) = -2(x+5)²
Vertex:
Opens Up Opens Down
Why? ais negative
-2
Vertex:
b) g(x) = (x + 2)² - 3
c) g(x) = -4(x + 2)² + 2
Opens Up
Opens Down
Vertex:
Opens Up
Opens Down
Why?
4
Ca is negative)
Why? his positive
2. The graph of the function f(x) is shown below. Find the domain, range, and end behavior. Then list the
values of x for which the function values are increasing and decreasing.
f(x)
Domain:
End Behavior:
As x → ∞o, f(x) -> -6
As x, f(x) ->
Range:
Where is it Increasing? (002]
Where is it Decreasing? (1,00)
Show what to do on the graph visually please!
The county's new asphalt paving machine can surface 1 km of highway in 10 h. A much older machine can surface 1 km in 18 h. How long will it take them to surface 21 km of highway if they start at opposite ends and work day and night?
Chapter P Solutions
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
Ch. P - Calculate the following expression and round to...Ch. P - If the annual percentage rate is 8% and the...Ch. P - Valentines Day According to the National Retail...Ch. P - Pet Owners According to the Humane Society, in...Ch. P - A Billion Dollars A one dollar bill is 0.0043 inch...Ch. P - National Debt In mid-2015 the U.S. population was...Ch. P - 10% Discount and 10% Tax Suppose you want to buy a...Ch. P - A Good Investment You have just received word that...Ch. P - A Bad Investment You have just received word that...Ch. P - An Uncertain Investment Suppose you invested 1300...
Ch. P - Pay Raise You receive a raise in your hourly pay...Ch. P - Heart Disease In a certain country, the number of...Ch. P - Trade Discount Often retailers sell merchandise at...Ch. P - Series Discount This is a continuation of Exercise...Ch. P - Present Value Present value is the amount of money...Ch. P - Future Value Business and finance texts refer to...Ch. P - The Rule of 72 This is a continuation of Exercise...Ch. P - The Truth in Lending Act Many lending agencies...Ch. P - The Size of the Earth The radius of the Earth is...Ch. P - When the Radius Increases a. A rope is wrapped...Ch. P - The Length of Earths Orbit The Earth is...Ch. P - Prob. 20ECh. P - Prob. 21ECh. P - Prob. 22ECh. P - Prob. 23ECh. P - Lean Body Weight in Males A persons lean body...Ch. P - Lean Body Weight in Females This is a continuation...Ch. P - Mannings Equation Hydrologists sometimes use...Ch. P - Relativistic Length A rocket ship travelling near...Ch. P - Equity in a Home When you purchase a home by...Ch. P - The Advantage Cash Card At the student union on a...Ch. P - Prob. 1SBECh. P - Prob. 2SBECh. P - Prob. 3SBECh. P - Basic Calculations 7.61.79.2Ch. P - Parenthesis and Grouping 7.3-6.82.5+1.8Ch. P - Prob. 6SBECh. P - Parentheses and Grouping 6+e+13Ch. P - Parentheses and Grouping -e+eCh. P - Prob. 9SBECh. P - Prob. 10SBECh. P - Prob. 11SBECh. P - Prob. 12SBECh. P - Prob. 13SBECh. P - Prob. 14SBECh. P - Prob. 15SBECh. P - Prob. 16SBECh. P - Arithmetic In Exercises S-16 through S-20, perform...Ch. P - Prob. 18SBECh. P - Prob. 19SBECh. P - Prob. 20SBECh. P - Prob. 21SBECh. P - Prob. 22SBECh. P - Prob. 23SBECh. P - Prob. 24SBECh. P - Prob. 25SBECh. P - Prob. 26SBECh. P - Prob. 27SBECh. P - Prob. 28SBECh. P - Prob. 29SBECh. P - Evaluating Formulas In Exercises S-21 through...Ch. P - Lending Money For a certain loan, the interest I...Ch. P - Monthly Payment For a certain instalment loan, the...Ch. P - Prob. 33SBECh. P - A Skydiver When a skydiver jumps from an airplane,...Ch. P - Future Value In certain savings scenarios, the...Ch. P - A Population of Deer The number N of deer in a...Ch. P - Prob. 37SBECh. P - Getting Three Sixes If we roll n fair dice, then...Ch. P - Prob. 1CRCh. P - Prob. 2CRCh. P - Prob. 3CRCh. P - Prob. 4CRCh. P - Keplers Third Law According to Keplers third law...Ch. P - Traffic Signal Traffic engineers study how long...
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- 3. Write a system of linear equations in slope intercept form that has exactly one solution at the point (3, 4), such that one line has positive slope (but not 1) and the other line has negative slope (but not "1). Also write your system of equations with both equations written in standard form with out any fractions 8- 7 8 5 4 3 -2- + -8-7-6-5-4-3-2-1 1 2 3 -1 2 - ° 4 -5 - -8arrow_forward2. Write a system of linear equations in slope-intercept form has exactly one solution at the point (3, 4), such that both lines have negative slope (but neither one has slope of 1). Also write your system of equations with both equations written in standard form without any fractions. B 0 5 4 3 -2 1 -8-7-6-5-4-3-2 -1 12 3 -1 2 -3 -5 6 -7 -8arrow_forward4. Write a system of linear equations in slope-intercept form that has no solution, such that (3, 4), and (3,8) are solutions to the first equation, and (0, 4) is a solution to the second equation. Also write your system of equations with both equations written in standard form with out any fractions B 0 5 4 3 -2 + -8-7-6-5-4-3-2 -1 |- 1 2 3 -1 2 -3 4 -5 6 -7arrow_forward
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- 1. Write a system of two linear equations in slope-intercept form that has exactly one solution at the point (3, 4), such that both lines have positive slope (but neither one has slope of 1) Also write your system of equations with both equations written in standard form without any fractions. 8- 7 8 5 4 3 -2- + -8-7-6-5-4-3-2-1 1 2 3 -1 2 - 4 -5 -7 -8arrow_forwardThe original idea for creating this applet comes from Steve Phelps' Graph the Line applet. Directions: 1) Examine the equation shown on the right side of the screen. 2) Reposition the 2 big points so that the line is the graph of the displayed equation. 3) Click the "Check Answer" checkbox to check. If you're correct, the app will inform you. If you're not, you'll know this as well. If you're not correct, keep trying until you position the gray line correctly. 4) After correctly graphing the line, click the "Generate New Line" button.arrow_forwardProblem 1 & 2 answers 1. One diagonal has 11 squares, then total square in total for two diagonal line is 11 + 11 - 1 = 21 . 2. Each part has 5 squares.(except middle)Multiply by 4: 5 × 4 = 20.Add the middle square: 20 + 1 = 21.arrow_forward
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