Are the variables Y and X inversely related or directly related? What is the value of Y if b=10, M=.50, and X=200? What is the value of X if Y=100, b=10, and M-.25?

MACROECONOMICS FOR TODAY
10th Edition
ISBN:9781337613057
Author:Tucker
Publisher:Tucker
Chapter1: Introducing The Economic Way Of Thinking
Section1.A: Applying Graphics To Economics
Problem 1SQ
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80
60
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40
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0 2 4 6 8 10
Study time (hours)
QUESTION 2:
Suppose that Y=MX+b, where Y=consumption, b=consumption at zero income,
M=slope, and X-income
(1)
Are Y and X positively related or are they negatively related?
(ii) If graphed, would the curve for this equation slope upward or slope
downward?
(iii) Are the variables Y and X inversely related or directly related?
(iv) What is the value of Y if b=10, M-.50, and X=200?
(v)
What is the value of X if Y=100, b=10, and M= 25?
Transcribed Image Text:100 80 60 Exam score (points) 40 20 0 2 4 6 8 10 Study time (hours) QUESTION 2: Suppose that Y=MX+b, where Y=consumption, b=consumption at zero income, M=slope, and X-income (1) Are Y and X positively related or are they negatively related? (ii) If graphed, would the curve for this equation slope upward or slope downward? (iii) Are the variables Y and X inversely related or directly related? (iv) What is the value of Y if b=10, M-.50, and X=200? (v) What is the value of X if Y=100, b=10, and M= 25?
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