Choose the most reasonable measurement for the situation described.Lee measured the width of his new calculator. What is the most likely measurement?

A. 68 km
B. 68 mm
C. 68 m
D. 68 cm


Answer: B

Mathematics

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Solve.The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 75 seconds with an average speed of 4 feet per second. Find the average speed of the swimmer if it takes him 100 seconds to finish the race.

A. 2 feet per second B. 5 feet per second C. 4 feet per second D. 3 feet per second

Mathematics

The function graphed is in a window that causes hidden behavior. Experiment with various windows to locate the extrema of the function.y = x3 - x2 + 4x + 4

A. Local maximum at (1.33, 6.07); local minimum at (2, 6) B. Local maximum at (0.67, 5.70); local maximum at (3, 7) C. Local maximum at (3, 7); local minimum at (1, 6) D. Local maximum at (2, 6); local minimum at (1.33, 6.07)

Mathematics

Find the integral.

A. sec 2x + C
B. tan 2x + C
C. tan2 x + C
D. tan x + C

Mathematics

Convert the rectangular equation to polar form. Assume r > 1. ? ?

A.
B.
C.
D.
E.

Mathematics