If x = 4 cot ?, use trigonometric substitution to write 
as a trigonometric function of ?, where 0 < ?< ?.
A. ?4 cos ?
B. ?4 csc ?
C. ?4 cot ?
D. ?4 sec ?
E. ?4 sin ?
Answer: B
Mathematics
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A. Hyperbola B. Parabola C. Circle D. Ellipse
Mathematics
Write the number in words.6,900,833
A. six million, ninety thousand, eight hundred thirty-three B. sixty-nine thousand, eight hundred thirty-three C. six million, nine thousand, eight hundred thirty-three D. six million, nine hundred thousand, eight hundred thirty-three
Mathematics
Provide an appropriate response.Interest rates on mortgages may vary from bank to bank.
A. True B. False
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Change the logarithmic expression to an equivalent expression involving an exponent.log416 = 2
A. 24 = 16 B. 42 = 16 C. 162 = 4 D. 416 = 2
Mathematics