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Mathematics 16 Online
OpenStudy (anonymous):

I have the answer can someone please check me...

OpenStudy (anonymous):

OpenStudy (anonymous):

@electrokid can you please check me answer

OpenStudy (anonymous):

@phi can you help me and just check my answer please

OpenStudy (anonymous):

can someone please help me

OpenStudy (nubeer):

ok what is ur answer?

OpenStudy (anonymous):

I got 35 as an answer

OpenStudy (phi):

for this problem you have to integrate. you can break it into 2 problems \[ \int_{-2}^3 4x \ dx + \int_{-2}^3 5 \ dx \]

OpenStudy (nubeer):

yes its right.

OpenStudy (anonymous):

right I did that and I got 35 I just want to make sure that is right

OpenStudy (phi):

the first integral is \[ 4 \cdot \frac{x^2}{2} = 2x^2 \] evaluated from -2 to 3. we get 2*3^2 - 2*(-2)^2 = 18 - 8=10 the 2nd integral is 5x evaluated from -2 to 3 or: 5*3 - 5*(-2)= 15+10= 25 added together, you get 10+25= 35 so it looks like 35 is the answer.

OpenStudy (anonymous):

right that is what I have been asking just wanting to maje sure my answer is correct I already did all the work

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