Consider the following level curves or contour map of a "nice" functionf(x, y):121025 612341. Estimate2. Estimate910ƒ(6,4).

Given: Contour map of nice function, To estimate: f6, 4

Answered: 12 10 1. Estimate 30 20 10 ƒ(6,4).

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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2. Lijah opened an account at Advantis Credit Union. The balance of her account after x years is represented by the function b(x) = 500(1.05)*. What annual interest rate is Lijah earning? а. b. After how many years did it take for Lijah's balance to double? Show all of your work.
4. Let G represent the number of gallons of gasoline left in a car’s tank after it has been driven m miles from a filling station where it was last filled. The table below gives se- lected values of these quantities: (a) What kind of function is G = G(m)? How can you tell? (b) Determine the slope of the line that connects the first point (40, 11) to the last point (200, 3) from the table above. Interpret what this number tells us about how this car uses gasoline. (c) Find the y-intercept of the line that connects the first point (40, 11) to the last point (200, 3) from the table above. Interpret what this number tells us about how this car uses gasoline.
Find the trend
15. The graph below shows the height, H (in cm), of a tomato plant 1 days after it is planted outdoors. 100 10 20 30 40 50 60 70 80 (a) What is the height of the plant on the day it is planted outdoors? (b) How tall is the plant after 30 days? 90 1 (c) How many days does it take for the plant to reach 80 cm? (d) Where is the height of the plant increasing the slowest? Where is the height of the plant increasing the fastest?
11. Look at the function graphed below. Which statement is true? * v-)- y = 6 -5 -4 -3 -2 -1 4 -2 A. The graph above is a vertical stretch of the graph of y = 2". B. The graph above is a vertical translation of the graph of y = 2". c. The graph above is a vertical compression of the graph of y = 2". D. The graph above is a horizontal compression of the graph of y = 2". O A Ов O c O D
Fill in the blanks outside the table showing the changes in the x- and y-values. Then, answer the questions. 1) a. Is it a linear function? b. Why/Why not? -3 1. -2 -1 3 4 1 5 2) a. Is it a linear function? b. Why/Why not? -5 2 1. -2 4 -1 6 1. 2 8 1. 10 3) -10 a. Is it a linear function? 1. -5 b. Why/Why not? 4 2 5 1. 10 -3 4) y a. Is it a linear function? b. Why/Why not? -1 -9 ]. -4 1. 1 1. 3 7 11 1. 11 15

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