Question

Find the inverse of x

Answer 1

switch x and y variables so y =7x^2 + 4
therefore x = 7y^2 +4
x -4 =7y ^2
(x-4)/7 = y^2
take square root of both sides
root (x-4)/7
sorry i can’t write out answer here
lmk if you want me to attack an image instead