Oppgaven er https://campus.inkrement.no/41795/3893798

Finn I(x)
Via p(q) = 160-0.1q
x = 160-0.1q
0.1q = -x+160
q = -10x+1600
q(x) = -10x+1600
I(x) = q(x)*x
I(x) = (-10x+1600)*x
I(x) = -10x^2+1600x

Eller (Forkortet)
Via q(p) = 1600-10p
x = 1600-10p
p(x) = (-1/10)x+160
I(x) = (-1/10)x^2+160x

Det ...