The graph of a rational function y = f(x) is given below. Use the graph to give the solution set of 
and 
Use set notation for part (a) and interval notation for parts (b) and (c).
A. (a) {-3, 3} (b) (0, ?) (c) (-?, 0)
B. (a) {-3, 3} (b) (-4, 4) (c) (-?, -4) ? (4, ?)
C. (a) {0} (b) (-4, -3) ? (3, 4) (c) (-?, -4) ? (-3, 3) ? (4, ?)
D. (a) {-3, 3} (b) (-4, -3) ? (3, 4) (c) (-?, -4) ? (-3, 3) ? (4, ?)
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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Use the elimination method to solve the system of linear equations. 9x + 9y = 63 2x - 7y = -49
A. (0, 8) B. No solution C. (0, 7) D. (-1, 8)
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Perform the indicated operation.
? 
÷ 
A. 1
B. 
C. 
D. 
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V1 = 7 V and V2 = 3.6 V. Find E.
a. 3.4 V
b. 3.6 V
c. 4.3 V
d. 7.0 V
e. 10.6 V
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