Question
The table above gives values of the function
at selected values of
. Which of the following statements must be true?
A 
B
C 
does not exist.
D cannot be definitively determined from the data in the table.
Answer/Explanation
Ans:D
Question
The table above gives values of a function f at selected values of
. Which of the following conclusions is supported by the data in the table?
A 
B 
C 
D 
Answer/Explanation
Ans:C
The data in the table suggest that as x approaches 5 from the right, the values of
Question
The table above gives selected values for a continuous function
. Based on the data in the table, which of the following is the best approximation for
?
A 0
B 4
C 7
D There is no best approximation, because the limit does not exist.
Answer/Explanation
Ans:C
As
approaches 4 from the left and from the right, it appears that the values of
Question
Find the limit:\(\lim_{t\rightarrow -3}\frac{t+3}{t^{2}+9}\)
(A) \(-\frac{1}{3}\)
(B) 0
(C)\(\frac{1}{3}\)
(D) 1
Answer/Explanation
Ans:B