Mathematics For Elementary Teachers With Activities
5th Edition
ISBN: 9780134423401
Author: Sybilla Beckmann
Publisher: PEARSON
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Chapter 4.5, Problem 6P
Clint and Sue went out to dinner and had a nice meal that cost $64.82. With a 7% tax of $4.54, the total came to $69.36. They want to leave a tip of approximately 15% of the cost of the meal (before the tax). Describe a way that Clint and Sue can mentally figure the tip.
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For the following function f and real number a,
a. find the slope of the tangent line mtan = f' (a), and
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f(x) = 2x² + 3x; a = 2
a. Slope:
b. Equation of tangent line: y
For the following function f and real number a, find f' (a).
f(x) = = √x+4; a = 0
f' (a)
Find the slope of the secant line between the values x₁ and x2 for the function y = f (x). Answer
exactly or round to 2 decimal places.
f(x) = √√x
x7; x₁ = 11, x2 = 23
Slope:
Chapter 4 Solutions
Mathematics For Elementary Teachers With Activities
Ch. 4.1 - Use this section’s definition of multiplication to...Ch. 4.1 - Write an Array word problem for 68=? . Explain...Ch. 4.1 - Write an Ordered Pair problem for 68=? . Explain...Ch. 4.1 - Write a Multiplicative Comparison word problem for...Ch. 4.1 - a. Write a Multiplicative Comparison word problem...Ch. 4.1 - Write a Multiplicative Comparison problem in which...Ch. 4.1 - Solve the three problems that are given in the 3...Ch. 4.1 - John, Trey, and Miles want to know how many...Ch. 4.1 - a. A 40-member club will elect a president and...Ch. 4.2 - Using the example 10 . 47 to illustrate, explain...
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