Solve the problem.Does the graph of the function y = 6x + 3 sin x have any horizontal tangents in the interval  If so, where?

A. Yes, at x = , x = 
B. Yes, at x = 
C. Yes, at x = , x = 
D. No


Answer: D

Mathematics

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Add or subtract as indicated. Write your answer in the form a + bi.[(4 + 3i) - (5 + 6i)] - (10 - 7i)

A. 19 + 4i B. -11 + 2i C. -11 + 4i D. 19 + 2i

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Use the method of your choice to find all real solutions of the equation.4k2 - 49 = 0

A.
B.
C. {7, 0}
D.

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Use the binomial theorem to expand the binomial. ? ?

A.
B. ?
C. ?
D. ?
E. none of the above

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Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.(log5 x + log5 y) - 6 log5 (x + 4)

A. log5 
B. log5 
C. log5 
D. log5 

Mathematics