Write the series in summation notation. Use the index i and let i begin at 1 in each summation.3 + 8 + 13 + 18 + 23
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Simplify the difference quotients 
and 
for the following function. Rationalize the numerator when necessary.f(x) = 
A. 
; 
B. - 
; - 
C. 
; 
D. - 
; - 
Mathematics
Factor the polynomial completely. If the polynomial cannot be factored, write "prime."192 - 3x2
A. 3(8 + x)(8 - x) B. 3(x - 8)2 C. 3(x + 8)(x - 8) D. Prime
Mathematics
Simplify.
+ 
- 
A. 
B. 
C. 
D. 
Mathematics
Write the rational expression in lowest terms.
A. 
B. - 
C. 
D. 
Mathematics