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golroo
golroo asked in Science & MathematicsMathematics · 7 years ago

need help with CALCULUS please :)?

Don Valley West, an apartment complex, has 100 two-bedrooms units. The monthly profit (in dollars) realized from renting x apartments is :

P(x)=−10x2 +1760x−50,000

(a) What is the actual profit realized from renting the 51st unit, assuming that 50 units have already been rented?

(b) Compute the marginal profit when x = 50 and compare your results with that obtained in part (a).

Thank you :)

1 Answer

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  • Bryce
    Lv 7
    7 years ago
    Favorite Answer

    a. P(51)=13750, P(50)=13000

    13750-13000=750

    b. dP/dx= -20x+1760

    x=50, dP/dx=760

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