Write the expression in terms of sines and/or cosines, and then simplify.
A. sin x
B. 
C. 
D. 
Answer: A
Mathematics
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Express the repeated multiplication in exponential notation.4 ? 4 ? 4
A. 41 B. 34 C. 3 ? 4 D. 43
Mathematics
Use the graph to determine whether the function is one-to-one.
A. No B. Yes
Mathematics
Approximate the value using a calculator. Round your answer to three decimal places.e3.3
A. 8.970 B. 15.154 C. 25.672 D. 27.113
Mathematics
Find the vertex, focus, and directrix of the parabola. Graph the parabola.y2 = -16x
A. vertex: (0, 0)
focus: (0, -4)
directrix: y = 4
B. vertex: (0, 0)
focus: (4, 0)
directrix: x = -4
C. vertex: (0, 0)
focus: (-4, 0)
directrix: x = 4
D. vertex: (0, 0)
focus: (0, -4)
directrix: y = 4
Mathematics