Simplify the complex fraction.
A. 
B. 
C. 
D. None of these
Answer: B
Mathematics
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Verify the identity.cos 4? = 2 cos2(2?) - 1
What will be an ideal response?
Mathematics
Solve the compound inequality. Express the solution using interval notation. Graph the solution set.12 < 3x ? 15
A. (4, 5]
B. [-5, -4)
C. [4, 5)
D. (-5, -4]
Mathematics
Give the center and radius of the circle. Then sketch its graph.(x + 4)2 + (y - 2)2 = 16
A. center (- 4, - 2), r = 4
B. center (4, 2), r = 4
C. center (- 4, 2), r = 4
D. center (4, - 2), r = 4
Mathematics
Find the real solutions of the equation.x5/4 - 4x1/4 = 0
A. {0, 2} B. {-4, 0, 4} C. {0, 4} D. {0}
Mathematics