Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.Going into the final exam, which will count as three tests, Jerome has test scores of 61, 72, 59, 75, and 77. What score does Jerome need on the final in order to earn a C, which requires an average of 70?
A. 72 B. 75 C. 70 D. 68
Determine whether the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic, find the common difference; if it is geometric, find the common ratio.3, 5, 7, 11, 13, ...
A. Arithmetic; d = 2 B. Geometric; r = 2 C. Arithmetic; d = 4 D. Neither
Solve the problem.A merchant has coffee worth $20 a pound that she wishes to mix with 90 pounds of coffee worth $90 a pound to get a mixture that can be sold for $50 a pound. How many pounds of the $20 coffee should be used?
A. 210 lb B. 120 lb C. 60 lb D. 105 lb
Find the area of triangle ABC (see the figure) with the given information. Round to the nearest tenth. 
b = 103, c = 12.7
A. 503.4 B. 497.6 C. 488.3 D. 484.1