Find the indefinite integral and check the result by differentiation. (Use C for the constant of integration.) ∫ (x + 8x) dx

Step-by-step explanation:

Given

Required

(a) Integrate

(b) Check using differentiation

To integrate, we make use of the following formula;

if

then

So; becomes

Take LCM

To check using differentiation, we make use of

if , then

Using this formula

becomes

So;

b

step-by-step explanation:

u take $75 minus $60.the anwer/original($75)multiply by 100

[2, 2.5)

(2.5, 3]

step-by-step explanation:

i think its these two not sure [2, 2.5)

(2.5, 3]