Posted by **Hannah** on Sunday, February 27, 2011 at 9:03pm.

Find the critical values of P(x)

p(x)= (28+x)(8-x/4)

the answer was p=244-7x+8x-x^2/4

p=-x^2/4 + x + 244

p'= -x/2 +1 = 0

X=2

My question is, I do not understand how they got -7x + 8x at the beginning. I know (28)(8)=244 but I do not get the rest.

## Answer this Question

## Related Questions

- simple question - If an answer is to be 2 decimal places and the answer is 244....
- Calculus - another question - "Find the absolute minimum value of the function f...
- Calculus - Use the FTC 1 to find the area of the region under the graph of the ...
- Statistics - Blood samples from 10 persons were sent to each of two labs for ...
- Fundamentals of Taxation - Hamad is an employee of Mountain Company. He properly...
- Tax - Hamad is an employee of Mountain Company. He properly completed his Form ...
- Tax - Hamad is an employee of Mountain Company. He properly completed his Form ...
- Statistics - Hi, Could anyone help me please, because I'm not sure with my ...
- statistics - Hi, Could anyone help me please, because I'm not sure with my ...
- income tax - Hamad is an employee of Mountain Company. He properly completed his...

More Related Questions