Given a function f(x) = 3x² + 4, what is the average rate of change of fon the interval [2, 2+ h]? O 3h + 12 3h² + 12h 3h² + 12h + 18 O 16

For what value of x does the function f(x) = 1/3x3 - 4x attain the absolute maximum in the interval (-5 , 3) ?

Let f be a linear function. If f ( 2 ) = 13, and f ( 12 ) = 8, what is the value of f ( 10 ) ?

f(x) = x* + x³ – 2x? What is the range of the function given above?