Answer:
slope = -7
Step-by-step explanation:
(1, 4) and (2, -3)
Slope = y^2 - y^1 / x^2 - x^1
m = -3 - 4 / 2 - 1
m = -7 / 1
m = -7 ---------> slope of the line through (1, 4) and (2, -3)
1 cm = 0.393701 inches.
Multiply total cm by conversion factor:
91 cm x 0.393701 = 35.8268 inches per day.
1 day = 24 hours
Divide total inches by number of hours:
35.8268 inches / 24 hours = 1.4928 inches per hour. ( Can round to 1.5 inches per hour if necessary)
52 weeks = 1 year
Find 1 week in term of years:
1 week = 1/52 year
Find 8 weeks in term of years:
8 weeks = 8/52 year
8 weeks = 2/13 year
Answer : 2/13 year
Q(p) = k/p^3 . . . . . . . . we want to find k
q(10) = k/10^3 = 64
k = 64,000
Revenue = q(p)*p = 64000/p^2
Cost = 150 +2q = 150 +2*64000/p^3
Profit = Revenue -Cost = 64000/p^2(1 -2/p) -150
Differentiating to find the maximum profit, we have
.. dProfit/dp = -2(64000/p^3) +6(64000/p^4) = 0
.. -1 +3/p = 0
.. p = 3
A price of $3 per unit will yield a maximum profit.