Question

Which function is the inverse of f(x) = -5x - 4

Answer 1

f-¹(x) = -⅕x - ⅘

Explanation:

f(x) = -5x - 4 → x = -5y - 4 → 5y = - x - 4 → y = -⅕x - ⅘ → f-¹(x) = -⅕x - ⅘