Determine if the function is a power function. If it is, then state the power and constant of variation.C = 2?r
A. Not a power function
B. Power is 1; constant of variation is 2?
C. Power is 2; constant of variation is ?
D. Power is 0; constant of variation is 2?
Answer: B
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Use the definition to find an expression for the instantaneous acceleration of an object moving with rectilinear motion according to the given function. The instantaneous acceleration is defined as the instantaneous rate of change of the velocity with respect to time. v = 4t2 - 7t + 1[v is the velocity]
A. 8t - 7 B. 8t2 - 7t C. 4t - 7 D. 4t2 - 7
Match the point in polar coordinates with either A, B, C, or D on the graph.
A. A B. B C. C D. D
Use the graph to determine the x- and y-intercepts.
A. y-intercepts: -2, 2 B. x-intercepts: -3, 3; y-intercepts: -2, 2 C. x-intercepts: -3, 3 D. x-intercepts: -2, 2; y-intercepts: -3, 3
Provide an appropriate response.A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 470 seconds and a standard deviation of 60 seconds. Find the probability that a randomly selected boy in secondary school can run the mile in less than 332 seconds.
A. 0.5107 B. 0.4893 C. 0.0107 D. 0.9893