itanava itanava

23-09-2019
Mathematics

contestada

For y(x) = 4x+1 and g(x) = x-5, find (fºg)(4).

Respuesta :

godofconfusion godofconfusion

23-09-2019

answer: -3

step-by-step:
okay so first you gotta plug g(x) into f(x) by replacing all the x’s with x-5

4(x-5)+1

then you distribute the 4 by multiplying it by x and -5

4x-20+1

then you add together like terms (-20 and 1)

4x-19

then you plug in 4 for x

4(4)-19

4*4 is sixteen so

16-19

then you subtract 19 and get -3

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