Only do 5 and 6 please and ty

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 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)