Pls help. Algebra

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344

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Let $f(x) = 2x - 3$ and $g(f(x)) = 5-4x.$ Find $g(4).$

Guest Jan 30, 2022

2⁺¹ Answers

+37165

+1

First , find f(4) then substitute THAT value into the g(x) formula ....

ElectricPavlov Jan 30, 2022

+1223

-1

f(x) = 2x - 3 = 4

2x = 7

x = 7/2

g(4) = g(f(7/2)) = 5 - 4(7/2) = -9

CubeyThePenguin Jan 30, 2022

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