Question 1: Which expression represents the inverse of y=9x+15 ?

Options:

y=15x+9

y=9x/15

y=1/9x+15

y=x-15/9

Question 2: Given f(x)=6x+2 and g(x)=x^3, which of the following are true? Check all correct answer(s).

f(x)g(x)=6x+2x^3

f(x)g(x)=6x^4+2x^3

f(1)g(3)=72

f(-1)g(2)=-32

Question 3: Given f(x)=5x^6 and g(x)=15x^-2, what is f(x)/g(x) ?

Options:

x^8/3

3x^8

x^4/3

3x^4