Solve the problem.A wheel is rotating at 6 radians/sec, and the wheel has a 82-inch diameter. To the nearest foot per minute, what is the velocity of a point on the rim?
A. 1225 ft/min
B. 1230 ft/min
C. 1220 ft/min
D. 1235 ft/min
Answer: B
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Determine the indicated arc or angle.Find 
.
A. 240° B. 180° C. 150° D. Not enough information.
Suppose the point (2, 4) is on the graph of y = f(x). Find a point on the graph of the given function.The reflection of the graph of y = f(x) across the x-axis
A. (-2, 4) B. (-2, -4) C. (2, 4) D. (2, -4)
Write the best-fit linear model for the data.A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. Find a linear function that approximates a student's course grade as a function of the number of hours spent in lab. Number of hours spent in lab Grade (percent) 
A. y = 88.6 - 1.86x B. y = 1.86 + 88.6x C. y = 0.930 + 44.3x D. y = 44.3 + 0.930x
Find the specified value of the objective function f on the given region.
Maximum of f = 2x + y
A. 1 B. 28 C. 18 D. 23