Question

For a given input value v, the function f outputs a value u to satisfy the following equation.

u-5 = -4(0-1)
Write a formula for f(u) in terms of v.
f(u) =

Answer 1

Answer: -4v+9

Explanation:

u - 5 = -4(v - 1)

u - 5 = -4v + 4

+5 +5

u = -4v + 9