Choose the graph which matches the function.y = sin x + cos 2x - sin 3x - cos 4x
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Tell whether the slope of the line is positive, negative, 0, or undefined.
?
??
A. Zero slope B. Positive slope C. Undefined slope D. Negative slope
Mathematics
Show that the matrix has no inverse.
What will be an ideal response?
Mathematics
Graph the function.y = cos 
x 
A. 
B. 
C. 
D. 
Mathematics
Factor by grouping.15 - 8x + x2
A. (x + 5)(x - 3) B. (x - 5)(x - 3) C. (x + 5)(x + 3) D. (x - 5)(x + 3)
Mathematics