Evaluate.-|x| if x = -11
A. 11
B. -11
C. -1
D. 1
Answer: B
Mathematics
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Find the logarithm using the change-of-base formula.log7.8 205
A. 2.5914 B. 26.2821 C. 0.3859 D. 2.3118
Mathematics
Evaluate.If f(x) = -5x2 - 7 and g(x) = x + 5, evaluate (f - g)(-3).
A. 55 B. -44 C. -60 D. -54
Mathematics
Simplify.
A. 
B. 8s + 7t
C. 
D. 7s + 8t
Mathematics
Which fraction appears in the partial fraction decomposition of 
?
?
A. 
B. 
C. 
D. 
E. none of these
Mathematics