Y intercept of x^3-3x^2-4x+12

Describe the domain and range of y=2(3)^x-2+5

Is the square root of 4 plus the square root of 16 rational?

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.