Decide whether or not the given equation is an identity.cos(x - ?) = cos x
A. Yes
B. No
Answer: B
Mathematics
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Graph the linear equation.y = 3x + 2
A. 
B. 
C. 
D. 
Mathematics
The graph of a linear function f is shown. Identify the slope.
A. 
B. - 
C. - 
D. 
Mathematics
Use the center, vertices, and asymptotes to graph the hyperbola.(x + 2)2 - 4(y - 1)2 = 4 
A. 
B. 
C. 
D. 
Mathematics
For problems 1-15, evaluate or simplify each expression.
A. 
B. 
C. 
D. 
E. none of these
Mathematics