In the xy-plane, the graph of a linear equation of the form y = mx + b and the graph of an exponentialequation of the form y = ab* both contain points (1, 3) and (2, 4). If the point (r, s) is on the graph ofthe linear equation and the point (r, t) is on the graph of the exponential equation, where 0 t, which of the following must be true?(A) 0

The linear equation, y = mx + c passes through the points, (1,3) and (2,4) Therefore, 3 = m + c 4 =…

Answered: In the xy-plane, the graph of a linear…

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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The annual expenditure for cell phones varies by the age of an individual. The average annual expenditure E(a) (in $) for individuals of age a (in years) is given below:a: 20, 30, 40, 50, 60, 70E(a): 502, 658, 649, 627, 476, 2131. Use quadratic regression to find the model that best represents the data.2. At what age is the yearly expenditure for cell phones the greatest? Round the answer to the nearest year. YOU MUST SHOW THE WORK FOR THIS PART!
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5. Write an equation in point-slope form that has the same slope as y=x+4 and passes through the point (2, 5). Oy-5=4(x-2) Oy-5=(x-2) Oy-2=4(x-5) Oy-2= (2-5)
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