Find the logarithm using the change-of-base formula.log300 30
A. 0.5963
B. 1.677
C. 3.4012
D. 5.7038
Answer: A
Mathematics
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Find the mean of the set of data. Round your answer to the nearest tenth.13, 13, 14, 10, 9, 16, 5, 11, 19
A. 12.3 B. 10.8 C. 12.1 D. 12.2
Mathematics
Solve the problem.If h(x) = x2 + 8x + 15 , solve h(x) > 0.
A. (-?, -5) or (-3, ?) B. (-3, ?) C. (-5, -3) D. (-?, -5)
Mathematics
Solve the problem.The position of a weight attached to a spring is s(t) = -2 cos 3?t inches after t seconds. When does the weight first reach its maximum height?
A. After 
sec
B. After 
sec
C. After 
sec
D. After 
sec
Mathematics
Decide whether the equation is or is not an identity.tan A + tan B = 
A. Identity B. Not an identity
Mathematics