3 years ago

10) Donovan has $870.39 in his bank

Mathematics

2 answers:

timofeeve [1]3 years ago

7 0

Answer:770.64

Step-by-step explanation:

alexandr1967 [171]3 years ago

5 0

So to start:
870.39 + 50.25= $920.64
(Keyword: DEPOSIT) meaning ADD
Next:
920.64 - 150= $770.64
(Keyword: WITHDRAW) meaning SUBTRACT

Answer: $770.64

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Read 2 more answers

Suppose a company's revenue function is given by R(q) = - q^3 + 220q^2 and its cost function is given by C(q) = 500 + 13q, where

monitta

Answer:

A) MP(q) = -3q² + 440q - 13

B) 146.64 units.

Step-by-step explanation:

The profit function is given by the revenue minus the cost function:

$P(q) = R(q) - C(q)\\P(q) = -q^3+220q^2-500-13q$

A) The Marginal profit function is the derivate of the profit function as a function of the quantity sold:

$P(q) = -q^3+220q^2-500-13q\\MP(q) = \frac{dP(q)}{dq} \\MP(q)=-3q^2+440q-13$

B) The value of "q" for which the marginal profit function is zero is the number of items (in hundreds) that maximizes profit:

$MP(q)=0=-3q^2+440q-13\\q=\frac{-440\pm \sqrt{440^2-(4*(-3)*(-13))} }{-6}\\q'=146.64\\q'' = - 0.03$

Therefore, the only reasonable answer is that 146.64 hundred units must be sold in order to maximize profit.

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3 years ago