Solve the inequality. Express your answer using interval notation.|2x + 5| + 5 > 1
A. no solution
B. 
C. (-?, ?)
D. 
or 
Answer: C
Mathematics
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Multiply. Assume all variables represent nonnegative real numbers.
? 
A. 18 B. 162 C. 9 D. 81
Mathematics
Establish the identity.cos(3x) = cos3 x - 3 sin2 x cos x
What will be an ideal response?
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Use a graphing calculator to find f'(x) when x has the given value.f(x) = - 
; x = 7
A. 0.102 B. 245 C. 9.8 D. -0.7143
Mathematics
Simplify by removing parentheses and collecting like terms.4(3x - 4) - 6(x - 1)
A. 6x - 5 B. 6x - 22 C. -12x - 10 D. 6x - 10
Mathematics