Find the first term, the common difference, and give a recursive formula for the arithmetic sequence.7th term is 31; 16th term is -50
A. a1 = 94, d = 9, an = an-1 + 9
B. a1 = 85, d = 9, an = an-1 + 9
C. a1 = 94, d = -9, an = an-1 - 9
D. a1 = 85, d = -9, an = an-1 - 9
Answer: D
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Solve the inequality. Graph the solution set and write the solution set in set-builder notation.-3x2 + 8x ? 0
A. 
B. 
C. 
D. 
Match the graph to the function listed whose graph most resembles the one given.
A. absolute value function B. constant function C. linear function D. reciprocal function
Use a graphing utility to find or approximate solutions to the equation. If necessary, round your answers to three decimal places.2n2 = -12n - 3
A. -0.261, -5.739 B. -3.261, -8.739 C. -0.131, -2.869 D. 0.24, -6.24
Solve the problem.Wind speed varies in the first twenty meters above the ground. For a particular day, let 
model the wind speed 
above the ground. What is the wind speed 
above the ground? Round results to the nearest hundredth.
A. 10.58 meters per second B. -6.00 meters per second C. 11.00 meters per second D. 11.07 meters per second