Subtract.-7 - 8
A. -1
B. -15
C. 15
D. 1
Answer: B
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Give the equations of any horizontal asymptotes for the graphs of the rational functions.f(x) = 
A. y = 2 B. none C. y = -2 D. y = 1
Use the symmetric law to complete the following:
If p = q, then ________.
A bacteria culture had a population of 13 million at 10:00 A.M., and by 2:00 P.M. had grown to 21 million. Predict the population at 6:00 P.M. that same day. ?
A. 35.2 million B. 35.6 million C. 31.5 million D. 29.6 million E. 33.9 million
Find the vertex, the y-intercept, and the x-intercepts (if any exist), and graph the function.r(x) = x2 + 2x + 1
A. 
Vertex (0, 1)
no x-intercepts;
y-int = (0, 1)
B. 
Vertex (1, 0)
x-int = (1, 0);
y-int = (0, 1)
C. 
Vertex (-1, 0)
x-int = (-1, 0);
y-int = (0, 1)
D. 
Vertex (0, -1)
x-int = (-1, 0),
(1, 0); y-int = (0, -1)