Use the function to evaluate the indicated expressions and simplify. f(x) = 4x2 + 5 f ( x + 2 ) = f( x) + f(2) =Find f(a), f(a + h), and the difference quotient fath) - @, where h = 0. h f( x ) = x + 8 2 f(a) a+8 2 f( at h ) = ath+8 fla + h) - fa) = hSketch a graph of the piecewise defined function. Rx) = 10 ifx