If A =y-4 and b=y+1, find an expression that equals 3A+2B in standard form

Given the graph below state whether or not the relation is a function, and give the domain and range.

Ataxi company charges $3 for pick-up plus $0.65 for each mile. select the expressions that represent the cost in dollars for a taxi pick-up and m miles. mark all that apply.

Which equation can be simplified to find the inverse of y = 2x2^2