Substitute -4 for x in the original equation.
f(x) = 5x 1
f(-4) = 5(-4) 1
f(-4) = -20 1
f(-4) = -19
f(x)=5x 1 find f(-4)
So you replace or substitute x with -4:
f(-4)=5(-4) 1
5x-4= -20, then 1= -19
Hope this helped
Source(s): Maths student
Source(s): Maths student
Source(s): Maths student
Substitute -4 into the equation.
This post is last updated on hrtanswers.com at Date : 1st of September – 2022