Find the perimeter.Joe wants to frame his garden with pine lumber. How feet of lumber will he need?
A. 380 ft
B. 542 ft
C. 37,154 ft
D. 532 ft
Answer: B
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Change the given polar coordinates (r, ?) to rectangular coordinates (x, y).
A. (-6
, -6
)
B. (3
, -3
)
C. (-3
, -3
)
D. (3
, -3)
On a certain island new species are being introduced at a rate of
species per year.
But conditions cause species extinction at a rate of
species per year.
Here t is the time in years. Equilibrium occurs when the rate of extinction is the same as the rate new species are being introduced.A: The time when equilibrium occurs is the solution of an equation. Which equation?B: Plot the graphs of both N and E on the same coordinate axes over the first 10 years of activity.C: When does equilibrium occur? Round your answer to two decimal places.D: What is extinction rate when equilibrium occurs? Round your answer to two decimal places.
What will be an ideal response?
For the function f, construct and simplify the difference quotient 
.f(x) = 9x + 5
A. 0
B. 9 + 
C. 9 + 
D. 9
Use a table of integrals to solve the problem.A particle moves so that its velocity (in m/s) is given by 
where t is the time (in seconds). Find the distance traveled between 
and 
A. 0.65 B. 1.92 C. 2.05 D. 0.38