What is the inverse of the function f(x)=2x+1

Rewrite the hyperbolic equation 4y^2 -9x^2 +54x-8y-113=0

Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}

The following division is being performed using multiplication by the reciprocal find the missing numbers is 5/12 divided by x/3 equals 5/12 times x/10 equals 1/x