Question

MATH HELP PLEASE!!!!!!!

Answer 1

$f(x) = \dfrac{4x - 3}{7}$

$y = \dfrac{4x - 3}{7}$

$x = \dfrac{4y - 3}{7}$

$7x = 4y - 3$

$7x + 3 = 4y$

$4y = 7x + 3$

$y = \dfrac{7x + 3}{4}$

$f^{-1}(x) = \dfrac{7x + 3}{4}$