Using the horizontal-line test, determine whether the function is one-to-one.f(x) = 
A. Yes
B. No
Answer: A
Mathematics
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Determine whether the following is always true or not always true. Given reasons for your answers.u × (v + w) = u × v + u × w
What will be an ideal response?
Mathematics
Find the slope of the polar curve at the indicated point.r = 1 - sin ?, ? = 0
A. 
B. -1
C. 
D. 2
Mathematics
Evaluate the expression without using a calculator, or state that the value does not exist. Simplify the answer to the extent possible.sinh(2 ln 5)
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.?10 = a? + b for a pair of positive integers a and b. The value of b for which this happens is
A. 10. B. 89. C. 55. D. 34. E. none of these
Mathematics