Solve the equation algebraically. Verify your solution with a graphing utility.x3 + 5x2 - 36x - 180 = 0
A. {36, -5}
B. {6, -5}
C. {-6, 6, -5}
D. {-6, 6, 5}
Answer: C
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Use the graph to evaluate the limit.
f(x)
A. does not exist B. 1 C. ? D. -1
Suppose the total cost function for manufacturing a certain product is 
dollars, where 
represents the number of units produced. Find the level of production that will minimize the average cost. Round the answer to the nearest integer.
?
__________ units
Fill in the blank(s) with the appropriate word(s).
Determine whether the infinite geometric series converges or diverges. If it converges, find its sum.1 + 
+ 
+ 
+ . . .
A. Converges; 
B. Converges; 
C. Converges; 
D. Diverges
Find the first term, the common difference, and give a recursive formula for the arithmetic sequence.6th term is -10; 15th term is -46
A. a1 = -30, d = 4, an = an-1 + 4 B. a1 = 10, d = 4, an = an-1 + 4 C. a1 = 10, d = -4, an = an-1 - 4 D. a1 = -10, d = -4, an = an-1 - 4