Evaluate the expression according to the order of operations.23 ? 32
A. 17
B. 72
C. 36
D. 7776
Answer: B
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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 2
B. 
; 2
C. 
; 2
D. 
; 2
Evaluate the polynomial function.If f(x) = x2 - 7x + 9, find f(a + 3).
A. a2 - 1a + 21 B. a2 - 7a - 3 C. a2 - 1a - 3 D. a2 - 7a + 6
The graph of a function f is given. Use the graph to answer the question.Find the numbers, if any, at which f has a local maximum. What are the local maxima?
A. f has a local maximum at x = -2 and 2; the local maximum is 0 B. f has a local maximum at x = 0; the local maximum is 3 C. f has a local maximum at x = 2; the local maximum is 3 D. f has no local maximum
Solve using the elimination method. Use a graphing calculator to check your answer.
x - 
y = -18
x + 
y = -9
A. (-12, 0) B. (0, 12) C. (12, 0) D. (0, -12)