Question

MEDAL AND FAN!!!!!!!!!
Which of the following expressions is the inverse of the function y equals quantity x plus 5 divided by 7

Answer 1

So ur given equation is
y=(x+5)/7

Answer 2

x=?

Answer 3

U know
x+5=7y
x=7y-5
Right?

Answer 4

But
y=f(x)
x=f^-1(y)

Answer 5

So
f^-1(y)=7y-5
f^-1(x)=?

Answer 6

Just put
y=x