Please help ASAP! I rlly need it :(​

Which function families have maximums and minimums? 1.)linear absolute value functions and exponential functions 2.) linear absolute value functions and quadratic functions 3.) linear absolute value functions and linear functions 4.) linear absolute value functions and constant functions

Solve the system of equations. y= 2x y= x^2 - 15

Which of the following describes the symmetry of the graph of y = x3?