Rewrite the following as a product of trigonometric functions.sin 
+ sin 
A. 2 sin 
sin 
B. 2 cos 
cos 
C. 2 cos 
sin 
D. 2 sin 
cos 
Answer: D
Mathematics
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Solve the problem.Determine the values of x that are in the domain of the function 
Graph the solution.
A. x ? 9
B. x ? 8
C. x ? -8
D. x < 8
Mathematics
Choose the graph of the equation.z = -y4 - 4xy - 2y2 + 
A. 
B. 
C. 
D. 
Mathematics
Use the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = x3 + 2x2 - 9x - 18
A. -2; f(x) = (x + 2)(x2 + x - 9) B. -3, -2, 3; f(x) = (x + 3)(x + 2)(x - 3) C. -3; f(x) = (x + 3)(x2 - x - 6) D. -3, 2, 3; f(x) = (x + 3)(x - 2)(x - 3)
Mathematics
Use radical notation to write the expression. Do not simplify.111/2
A. 
B. 3.32
C. 5.5
D. 
Mathematics