Question

Use f(x) = 1 - 4x + 1). Find f(-5)

Answer 1

-1/9 =x

Explanation:

f(x) = 1-4x+1)

-5x=1-4x+1

-1______-1

-1 -5x=4x

+5___+5x

-1 = 9x

9 9x

-1/9=x

Answer 2

F(-5)=(1 - 4(-5) +1 )
=1+20+1
F(-5)=22