Use half-angle identities to find the exact value of the expression.tan 
A. 2 - 
B. 2 + 
C. 
D. 
Answer: A
Mathematics
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Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
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Use the remainder theorem to find the remainder when f(x) is divided by the given x - k.f(x) = x2 + 2x + 5; x + 2
A. 5 B. -5 C. -3 D. -13
Mathematics
Use the properties of logarithms to evaluate the expression without the use of a calculator.log9 93
A. 27 B. 9 C. 1 D. 3
Mathematics
Evaluate the expression.-
A. -19 B. 14 C. -16 D. 16
Mathematics