Sketch the graph of the given equation over the interval [-2?, 2?].y = -2 sin x 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the equation.
= x2 + 8x
A. -1, 1 B. -8, 1 C. -8, -1, 1 D. -8, -1
Mathematics
Graph the ellipse.x2 + 
= 1
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.How many 3-letter codes can be formed using the letters A, B, C, D, and E? No letter can be used more than once.
A. 10 B. 20 C. 60 D. 40
Mathematics
Use the graph of a known basic function and vertical shifting to sketch the function.f(x) = 
- 3
A. 
B. 
C. 
D. 
Mathematics