Question

If f(x) = -4x + 4, what is f(x) when x = 3?

f(3) = what is it

Answer 1

-8

Explanation:

f(3) = -4(3) + 4 = -12 + 4 = -8

Answer 2

• f(x) = -8

Explanation:

`\boxed{\sf f(x) = -4x + 4 \;\: when \;\; x=3}`

For f(x) -4x+4 substitute x with 3:-

`\sf f\left(3\right)\:=\:-4(3)\:+\:4`

`\sf f\left(3\right)\:=\:-4* 3\:+\:4`

`\sf f(3)=-12+4`

`\sf f(3)=-8`

Therefore, f(x) = -8.

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Hope this helps!