Find the sum of the first 26 terms of an arithmetic sequence with 15th term of 
and a common difference of 
.
?
A. 
B. 
C. 
D. 
E. none of the above
Answer: C
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Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. 0.2 B. -0.2 C. 0.1 D. 3.5
Use Euler's method to find y-values of the solution for the given values of x and ?x, if the curve of the solution passes through the given point. 
= y - ex - 3; x = -1 to x = 0.5; ?x = 0.5; (-1, -1)
A. 
B. 
C. 
D. 
Find the perimeter.
All segments are of equal length.
A. 72 cm B. 120 cm C. 720 cm D. 144 cm
Solve the problem.Brand X copier advertises that its copiers run 22% longer between service calls than its competitor. If Brand X copiers run 52,300 copies between services, how many copies would the competitor run? Round to the nearest whole number.
A. 40,794 copies B. 63,806 copies C. 42,869 copies D. 29,382 copies