QUESTION 7 Given the function f(x)=x2, find the O 32 32 8 3n2 n 3 O 32 32 8 3n3 n 3 C) 32 32 64 3n2 n 3 O 32 32 ()4 3H3 112 3 O 32 32 64 3113 n 3 upper sum overthe interval x=0 to x=4