Question

Find the area of the region under the graph of the function f on the interval [4, 10].

f(x)=10x-5

? square units

Answer 1

"the area of the region under the graph" is an integral of f(x) from a to b, in your case from 4 to 10.

∫ f(x) from 4 to 10=∫ (10x-5)dx from 4 to 10.
you just have to compute the integral and that will give you:

1/2*10x^2-5x evaluate it from 4 to 10

I hope it helps

Answer 2

thanx! :) i got it!