Find f (2) .
?2
Mathematics
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Decide whether the statement is true or false. If it is false, tell why.If k is a prime number, then x2 = k will have two rational solutions.
A. True B. False; the solutions will be irrational because a prime number cannot be a perfect square. C. False; the equation will have no real number solutions.
Mathematics
Rewrite the expression as the sine, cosine, or tangent of a double angle. Then find the exact value of the trigonometric expression without the use of a calculator.2 sin 112.5° cos 112.5°
A. - 
B. 
C. 
D. - 
Mathematics
Specify the domain of the function.f(x) = -5
A. x = -5 B. x ? -5 C. x ? 0 D. All real numbers
Mathematics
Use integration by parts to evaluate the integral 
. Note that evaluation may require integration by parts more than once.
?
A. 
B. 
C. 
D. 
E. 
Mathematics