maaiqueen49 maaiqueen49

18-09-2020
Mathematics

contestada

PLEASE HELP
Is it a,b,c,or d

PLEASE HELP Is it abcor d class=

Respuesta :

Cytokine Cytokine

18-09-2020

f(x) = -5x - 4

Replace f(x) with x and x with y

x = -5y - 4

Let's solve for y. Add 4 to both sides.

x + 4 = -5y

Divide both sides by -5

-1/5x - 4/5 = y

Replace y with f^-1(x)

f^-1(x) = -1/5x - 4/5 is the inverse

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