Need the 6 questions on the worksheet done with work

What is the inverse of the function f(x)=4x+8

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Abaseball team drinks 10/4 gallons of water during a game. which mixed number represents the gallons of water consumed? a) 1 1/2 gallons b) 2 1/2 gallons c) 2 3/4 gallons d) 3 1/2 gallons