Simplify.
A. 
B. 
C. 
D. none of these
Answer: C
You might also like to view...
Solve the given trigonometric equation by use of a graphing calculator. Use values of x for 0 ? x < 2?.cos x + cos 3x = sin x
A. 0, 0.26, 1.31, 3.14, 3.40, 4.45 B. 0.61, 3.57 C. 0.61, 2.05, 3.75, 5.17 D. 2.53, 5.68
Find the vertex, the y-intercept, and the x-intercepts (if any exist), and graph the function.f(x) = x2 + 2x - 8
A. 
Vertex (- 1, - 9);
x-int = (4,0) and (2, 0);
y-int = (0, -8)
B. 
Vertex (1, - 9);
x-int = (-2,0) and (4, 0);
y-int = (0, 8)
C. 
Vertex (1, - 9);
x-int = (-2,0) and (4, 0);
y-int = (0, -8)
D. 
Vertex (- 1, - 9);
x-int = (-4,0) and (2, 0);
y-int = (0, -8)
Find the exact solutions to the quadratic equation in the complex numbers.(2x - 1)2 + 3 = 0
A. 2 ± 2i
B. 
C. 
D. 
Solve the problem.The slide arrow and line of reflection of a glide reflection are given. Find the point of the grid (Q, R, S, or T) that is the same as the image P'' of the point P under two successive glide reflections.
A. Q B. R C. T D. S