Question

F(x)-7=4(x-5) what is the value of f(3)

Answer 1

f(3) = -1

Explanation:

The given function is: f(x) - 7 = 4(x - 5)

`$ \implies f(x) = 7 + 4x - 20 $`

`$ \implies f(3) = 7 + 4(3) - 20 $`

`$ \implies f(3) = 7 + 12 - 20 = 7 - 8 $` = -1.

Therefore, -1 is the answer.