Question

H(t)=4t+20, h( )=4 please help me

Answer 1

What t value will yield 4?

H(t) = 4t + 20

How about -4?

H(-4) = 4(-4) + 20

H(-4) = -16 + 20

H(-4) = 4

Yes, t = -4

Done.

Answer 2

H(x)=4x+20=4
4x=4-20
x= -16/4
x= -4
then h(-4)=4