For the given functions f and g, find the indicated composition. f(x) = -3x+9, g(x) = 4x+9; (gof)(x) OA. -12x+45 OB. 12x+45 O C. -12x+36 OD. -12x-27

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter5: Polynomials And Polynomial Functions
Section5.1: Add And Subtract Polynomials
Problem 5.17TI: For the function f(x)=3x2+2x15 , find (a) f(3) (b) f(5) (c) f(0) .
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For the given functions f and g, find the indicated composition.
f(x)=-3x+9, g(x) = 4x+9; (gof)(x)
OA. -12x+45
OB. 12x+45
O C. -12x+36
OD. -12x-27
Transcribed Image Text:For the given functions f and g, find the indicated composition. f(x)=-3x+9, g(x) = 4x+9; (gof)(x) OA. -12x+45 OB. 12x+45 O C. -12x+36 OD. -12x-27
Expert Solution
Step 1: Given Information

The functions are given by

f open parentheses x close parentheses space equals space minus 3 x plus 9
g open parentheses x close parentheses space equals space 4 x plus 9

To determine: The expression of open parentheses g ring operator f close parentheses open parentheses x close parentheses

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