Evaluate the following for the given value.-(-x) for x = 13
A. -14
B. 13
C. -13
D. 14
Answer: B
Mathematics
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Solve.log5 
= 3
A. 125, -125 B. 125, 0.008 C. -125 D. 125
Mathematics
Evaluate the exponential expression.-72
A. 49 B. -49
Mathematics
Identify the vertex of the given parabola.f(x) = -3x2
A. (-3, 0) B. (3, 0) C. (0, -3) D. (0, 0)
Mathematics
Decide whether the expression is or is not an identity.
= 0
A. Not an identity B. Identity
Mathematics