Evaluate the expression without using a calculator, and write your answer in radians.
?
?
A. 0
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Find the vertex of the parabola.f(x) = 3x2 + 18x + 32
A. (5, -3) B. (-3, 5) C. (3, -5) D. (-5, 3)
Mathematics
Factor.25 - (x2 + 2xy + y2)
A. (5 + x + y)(5 + x - y) B. (5 + x + y)(5 - x - y) C. (5 + x - y)(5 - x - y) D. (5 + xy)(5 - xy)
Mathematics
Simplify the expression. Assume all variables represent positive real numbers.
- 
A. -7
B. - 
C. - 
D. -3.5
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Write the inequality using interval notation. Graph the inequality.0 ? x ? 4
A. (0, 4]
B. (0, 4)
C. [0, 4)
D. [0, 4]
Mathematics