Solve the problem.The expected future population of a small town, which currently has 7900 residents, can be approximated by the formula y = 7900(1.6)-0.3twhere t is the number of years in the future. Find the expected population of the town 40 years in the future.
A. 28
B. 3792
C. 0
D. 7900
Answer: A
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Use the graph of a known basic function and a vertical stretch or a vertical compression to sketch the function.f(x) = 
A. 
B. 
C. 
D. 
Experiments conducted by A. J. Clark suggest that the response R(x) of a frog's heart muscle to the injection of x units of acetylcholine (as a percent of the maximum possible effect of the drug) may be approximated by the rational function
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where b is a positive constant that depends on the particular frog. If a concentration of 20 units of acetylcholine produces a response of 40% for a certain frog, find the "response function" for this frog.
What will be an ideal response?
Find the remaining sides of a 30° - 60° - 90° triangle if the side opposite 60° is 18. ?
A. 
, 
B. 
, 
C. ?
, 
D. 
, 
E. 
, 
Determine the vertex of the parabola.f(x) = x2 - 6x + 15
A. (0, 6) B. (3, 6) C. (3, 0) D. (6, 3)