Question

Find the inverse of the function f(x) = 7x -5

Answer 1

Answer:

${f}^{ - 1} (x) = \frac{y + 5}{7}$

Step-by-step explanation:

$y = f(x)$

$y = 7x - 5 \\ y + 5 = 7x \\ \frac{7x}{7} = \frac{y + 5}{7} \\ x = \frac{y + 5}{7}$