r(b) = 12b
c(b) = 4 + 3.3b
I think profit is revenue minus the cost, so p(b) = r(b) - c(b)
= 12b - (4 + 3.3b)
12b - 4 - 3.3b //Combine like terms
8.7b - 4
Answer: D
//Hope it helps and it's right.
Just gonna give you the answer:
The constant variation is 1/2
Q= - 1/3 is the answer-move the negative sign to the left multiply both sides by 7q then cancel 7 then finally divide both sides by 3. Hope this helps
Answer:
4 19/24
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-2a+2=22
3(a+4)-5(a-2)=22
3a+12-5a-10=22
-2a+12-10=22
-2a+2=22
