Question

qual é a inversa de f(x)= 9x²-14 ?

Answer 1

$9x^2 - 14 = y\\9x^2 = y + 14\\x^2 = \frac{y+14}{9} \\\\x = \sqrt{\frac{y+14}{9} } \\\\\\f^{-1}(x) = \sqrt{\frac{x+14}{9} }$