Simplify.
A. 
B. 1
C. 
D. 1 - a2
Answer: C
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Match the given equation with one of the graphs.x2 + y2 + 6x + 4y = -4
A. 
B. 
C. 
D. 
The bar graph shows the number of students who flunk Dr. Jones' class each year. 
During which year(s) did exactly 6 students flunk Dr. Jones' class?
A. 1995, 2004 B. 2004 C. 1994 D. 1994, 2004
Use transformations to graph the function. Determine the domain, range, and horizontal asymptote of the function.f(x) = -2x+3 + 4
A. domain of f: (-?, ?); range of f: (-4, ?);
horizontal asymptote: y = 4
B. domain of f: (-?, ?); range of f: (-?, -4);
horizontal asymptote: y = -4 
C. domain of f: (-?, ?); range of f: (-?, -4);
horizontal asymptote: y = -4
D. domain of f: (-?, ?); range of f: (-?, 4);
horizontal asymptote: y = 4
Express the sum or difference as a product of sines and/or cosines.sin (4?) - sin (2?)
A. sin (3?) cos ? B. sin ? cos (3?) C. 2 sin (3?) cos ? D. 2 sin ? cos (3?)