9. Given the function: f(x)=3x2+5x-17
a. find the interval where the function is increasing and whereit is decreasing.
b. Clearly state the critical number(s) of the function.
c. Find the relative extrema of the function( using 1stderivative test). answer should be in (x,y)
10. Given the function: x3 - x2 + 52x -17
a. determine the intervals where the graph of the given functionis concave upward and where it is concave downward.
b. Find any inflection points. answer should be in (x,y)format.
