To which family does the function belong need !

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

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Use the distributive law to multiply. 3(4x + 5y + 6)