Simplify the rational expression. Find all numbers that must be excluded from the domain of the simplified rational expression.
A. 
, x ? - 
B. 
, x ? - 
C. 
, x ? - 
, x ? - 1
D. 
, x ? - 
, x ? - 1
Answer: C
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Write the indicated sum in sigma notation.
+ 
+ 
+ . . . + 
A. 
B. 
C. 
D. 24
Solve the problem.The average per-person annual consumption of hot dogs is shown in the table. Let C be the average per-person consumption of hot dogs at t years since 1990. C = 0.97t + 18.41 can be used to model the data.
What is the C-intercept and what does it mean in this situation?
A. (0, 18.41); In 1990 the average consumption was 18.41 hot dogs per-person. B. (-18.98,0); In 2009 the average consumption will be 0 hot dogs per-person. C. (0, 0.97); In 1900 the average consumption was 0.97 hot dogs per-person. D. (0, 18.41); Each year the average consumption is increased by 18.41 hot dogs per person.
Find the GCF for the group of monomials.14m3 and 56m8
A. 56m3 B. 14m3 C. 784m5 D. 14m5
Provide an appropriate response.State the domain of the inverse sine function.
A. [0, 1]
B. 
C. (-1, 1)
D. [-1, 1]