Solve the problem.A plane starts its descent from a cruising altitude of 32,000 feet. It descends at a rate of 2500 feet per minute. Draw a graph in which the plane's altitude is measured on the vertical axis and use the graph to estimate how long it will take for the plane to reach an altitude of 4000 feet. 
A. About 7 minutes
B. About 18 minutes
C. About 11 minutes
D. About 7 minutes
Answer: C
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Plot the Lissajous figure.x = sin t, y = sin 5t
A. 
B. 
C. 
D. 
Use regression to solve the problem. Round numbers to the nearest hundredth.The ages and lengths of several animals of the same species are recorded in the following table:
Use linear regression to predict the length of a 35-month-old animal.
A. 38.50 in B. 35.60 in C. 37.50 in D. 36.60 in
Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.-8.9 + (-6.5)
A. 15.4 B. -2.4 C. -15.4 D. 2.4
?Find the absolute extrema of the function 
on the closed interval 
. Round your answer to two decimal places.
?
A. ?The maximum of the function is 1 and the minimum of the function is 0. B. ?The maximum of the function is 2.92 and the minimum of the function is 1. C. ?The maximum of the function is 2.92 and the minimum of the function is 0. D. ?The maximum of the function is1 and the minimum of the function is 2.52. E. ?The maximum of the function is 0 and the minimum of the function is 2.52.