I need help solving this 2 problem please

0/1 pt 5 3 99 @ Details Question 14 For the function f(x) = 4x + 7, evaluate and simplify. f(x th) - f(I) h Question Help: Video ) Written Example D Post to forum Submit Question Question 15 Co/1 pt 9 3 99 0 Details Difference Quotient Given the function 5x2, determine the difference quotient using the following two step process 1 . Find J f( It h ) - f(I) - without simplification h 2 . Find f (I t h ) - f(I ) with simplification 1. Write the difference quotient for 5x2 without simplification f(It h) - f(I) 1. Write the difference quotient for 5x2 with simplification f(It h) - f(I) h APR 11