Question

dada a funçao f(x-2)= 150,sendo a funçao f(x) = - 8 - 4x ?

Answer 1

f(x) = -8 - 4x com f(x) = 150, logo:

150 = -8 - 4x

4x = -8 - 150

4x = -158

x= \frac{-158^{:2}}{4_{:2}}=-\frac{79}{2}

x=\{- \frac{79}{2}\}

Answer 2

-8-4(x-2)=150

-8-4x+8=150

-4x=150

x= -75/2