The graph of a logarithmic function is shown. Select the function which matches the graph.
A. y = log (-x)
B. y = - log (-x)
C. y = log (x)
D. y = - log (x)
Answer: B
Mathematics
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Use the horizontal line test to determine whether the function is one-to-one. 
A. Yes B. No
Mathematics
Factor the polynomial completely.x2 - 40x + 400
A. (x + 20)2 B. (x - 20)2 C. (x + 20)(x - 20) D. Prime
Mathematics
A population is normally distributed with a mean of 50 and a standard deviation of 2. What percent of the data are less than 53? Round your answer to one decimal place.
a. 93.3% b. 43.3% c. 56.7% d. 6.7% e. 13.4%
Mathematics
Find the limit.Let
f(x) = 9 and
g(x) = 7. Find
.
A. 10
B. 
C. 
D. 
Mathematics