A manufacturer of stereo sound speakers has found that the revenue received from selling the speakers at a price of p dollars each is given by the polynomial −4p2+420p. Find the revenue received when p=60 dollars.

Respuesta :

Answer:

-4p^2 + 420p  = (-16+ 60 = 44p)+ (420p) =464p the revenue is 7.73 x $60

Step-by-step explanation:

Answer: $10800

Step-by-step explanation:

-4p^2+420p    p=60

-4(60)^2+420(60)

-4x60^2+420x60

60(-4x60+420)

60(-240+420)

60x180

10800