Find the inverses of each of the functions below algebraically.

Question

a.3y+5x=18

b.h(t)=−4.9(t+3)^2+45.8

Answer 1

as always, swap variables and solve for y:

3x+5y=18
5y = 18-3x
y = (18-3x)/5

Did the other one in your previous post (see related questions below)