Solve the problem.The psychology lab at a college is staffed by 9 male doctoral students, 8 female doctoral students, 16 male undergraduates, and 6 female undergraduates. If a person is selected at random from the group, find the probability that the selected person is an undergraduate or a female.
A.
B.
C.
D.
Answer: A
Mathematics
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Solve the problem.Find the derivative of the function at the point
in the direction in which the function decreases most rapidly.
A. -18 B. -9 C. -27 D. -8
Mathematics
Find the function value.Let f(x) = 6x2 - 7x + 4. Find f(-x).
A. -6x2 + 8x + 4 B. -6x2 + 7x - 4 C. 6x2 + 7x + 4 D. 5x2 + 8x + 3
Mathematics
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. Use the graph to answer the question.At what time was the temperature 79°?
A. 1 p.m. B. 6 p.m. C. 2 p.m. D. 12 p.m.
Mathematics
Provide an appropriate response.Explain what happens when an integer is multiplied by 1, -1, and 0.
What will be an ideal response?
Mathematics