ax where a, b are fixed 2. The variables y, x > 0 are related by a formula of the form real numbers. Suppose that y = 9 when x = 3 and y 10 when x = 4. (a) Determine the values of a and b. (b) Hence find the value of x for which y = 20.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.1: Rectangular Coordinate Systems
Problem 32E
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2. The variables y, x > 0 are related by a formula of the form y = ax where a, b are fixed
real numbers. Suppose that y
9 when x = 3 and y = 10 when x = 4.
(a) Determine the values of a and b.
(b) Hence find the value of x for which y = 20.
Transcribed Image Text:2. The variables y, x > 0 are related by a formula of the form y = ax where a, b are fixed real numbers. Suppose that y 9 when x = 3 and y = 10 when x = 4. (a) Determine the values of a and b. (b) Hence find the value of x for which y = 20.
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