PLEASE ANSWER ASAP Select the correct answer. These are the cost and revenue functions for a line of trumpets sold at a music store: R(x) = 76x – 0.25x2 C(x) = -7.75x + 5,312.5 Based on these functions, what is the maximum profit that can be made, to the nearest dollar? A. $1,469 B. $1,702 C. $3,375 D. $5,776

slope is 35 and 20 miles is the y-intercept.

step-by-step explanation:

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step-by-step explanation:

answer: cos [   arcsin (3/5) - arccos (1/2) ] =

step-by-step explanation: × = 3/5 = 0.6--> x = 36.87 and x = 180 - 36.87 = 143.13 deg

cos y = 1/2 --> y = +- 60 deg a. cos (x - y) = cos (143.13 - 60) = cos 83,13  

=

0.12

b. cos (36.87 - 60) = cos (-23.23) = 0.92

ƒ = 0.03b

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step-by-step explanation: