Perform the indicated operation. Simplify your answers. 
+ 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find f-1(x).f(x) = 
A. f-1(x) = 
B. No inverse function exists.
C. f-1(x) = 
D. f-1(x) = 8x
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Determine whether the points A, B, and C form a right triangle.A = (-3, 10); B = (3, 12); C = (2, 7)
A. Yes B. No
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Use the even-odd properties to find the exact value of the expression. Do not use a calculator.sec (-?)
A. 0 B. 1 C. -1 D. undefined
Mathematics
Solve the problem.In a survey about the number of siblings of college students, the following probability table was constructed: 
What is the probability that a student has 1, 2, or 3 siblings?
A. 0.51 B. 0.86 C. 0.6 D. 0.28
Mathematics