Graph using a graphing calculator.x2 - x - 27 = 0; x between 5 and 6
A. 5.6
B. 5.7
C. 5.8
D. 5.5
Answer: B
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Solve the problem.If f(x) = 4x2 + 3x + 7 and g(x) = 3x - 4, find g(f(x)).
A. 4x2 + 3x + 3 B. 12x2 + 9x + 17 C. 4x2 + 9x + 17 D. 12x2 + 9x + 25
Solve the problem.A long-distance runner runs 2 miles south and then 5 miles east. How far is the runner from the starting point? Round approximations to the nearest tenth. 
East --5 mi-->
A. 14.5 mi B. 2.7 mi C. 5.4 mi D. 3.5 mi
For the given functions f and g, find the indicated value.f(x) = x2 + 5x, g(x) = x + 3(g ? f)(2)
A. 17 B. 19 C. 70 D. 50
Find the weighted mean of the numbers in the table. Round to the nearest tenth.Five rats were inoculated against a disease. After an incubation period, the number of rats contracting the disease was noted. The experiment was repeated 20 times, with the results shown in the table. 
A. 2.4 rats B. 2.7 rats C. 2.3 rats D. 3.1 rats