Question

Use a finite sum to estimate the average value of f on the given interval by portioning the interval into four subintervals of equal length and evaluating f at the subinterval midpoints. f(x)= x^3 on [3,5]
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Answer 1

the instructions seem pretty clear...what seems to be the problem?

Answer 2

I do not know how to do get the four equal subintervals of [3,5] thats all i need help with

Answer 3

that part only

Answer 4

what is

\[\frac{5-3}{4}\]

Answer 5

1/2

Answer 6

ok..keep adding 1/2 to 3 till you get to 5 and record all the numbers you get

Answer 7

what are those numbers

Answer 8

ohhhh ok thanks just had a blank moment thanks for the help

Answer 9

np