Find (without using a calculator) the absolute extreme values
1.
Find (without using a calculator) the absolute extreme values of the function on the given interval.f(x) = x3 − 27x on [−4, 4]
absolute min    Â
absolute max   Â
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2.
Find (without using a calculator) the absolute extreme values of the function on the given interval.f(x) = x4 + 8x3 + 10x2 on [−5, 1]
absolute min    absolute max   Â
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3.
The fuel economy (in miles per gallon) of a certain car is E(x) = −0.01x2 + 0.54x +10.4,
 where x is the driving speed (in miles per hour, 20 ≤ x ≤ 60).
 At what speed is fuel economy greatest?
x =  mph
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4.
An airline finds that if it prices a cross-country ticket at $400, it will sell 100 tickets per day. It estimates that each $10 price reduction will result in 50 more tickets sold per day. Find the ticket price (and the number of tickets sold) that will maximize the airline's revenue.
ticket price$number of tickets   Â
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5.
A homeowner wants to build, along his driveway, a garden surrounded by a fence.Â
If the garden is to be 1800 square feet, and the fence along the driveway costs $6 per foot while on the other three sides it costs only $2 per foot, find the dimensions that will minimize the cost.Â
length along the driveway ftÂ
length perpendicular to the driveway     ft
Find the minimum cost.
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Answers
Status NEW
Posted 10 Jul 2017 12:07 AM
My Price 8.00
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