Provide an appropriate response.Let f(x) = 
. The only value(s) of x for which f is discontinuous is (are)
A. 1.
B. 0.
C. -1, 0, and 1.
D. -1 and 1.
E. -1.
Answer: D
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Fill in the blank with one of the words or phrases listed below.
Equations that have the same solution are called 
.
A. all real numbers B. the same C. reversed D. equivalent equations
Add and, if possible, simplify.- 
+ 
A. 0
B. 
C. 
D. - 
Solve the problem.Students at East Central High School earned $716 selling candy. They want to make $3830 for a club trip. What percent of their goal has been reached? Round to the nearest tenth of a percent, if necessary.
A. 5.3% B. 18.7% C. 53% D. 1.9%
Use the graph to answer the question.
Write a simplified ratio in three different ways to represent Big "D" sales in March 2001 to sales in January 2001.
A. 15 to 16, 15:16, 
B. 16 out of 31, 16;31, 
C. 16 to 15, 16:15, 
D. 15 out of 31, 15;31, 