D is a function because there are no repeated x values
for example b is not a function because we have (0,-7) and (0,-9)
The profit would be the difference between the total amount earned after selling each and every shirt and the costs of buying them so
p(x)= r(x)- c(x)
7x-20?
Answer:
Substitute -8 as x into the equation.
h(-8)=-2(-8+5)^2+4
h(-8)=-2(-3)^2+4
h(-8)=-2(9)+4
h(-8)=-18+4
h(-8)=-14
:)
The answer for this is 42. just subtract 152 from 68 and then divide that by 2.
Yes, It is True first find what is a conjectures