Determine the limit by sketching an appropriate graph. 
A. 4
B. 1
C. Does not exist
D. 0
Answer: D
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Find a formula for the nth term of the sequence.5, 6, 7, 8, 9 (integers beginning with 5)
A. an = n - 5 B. an = n + 5 C. an = n + 6 D. an = n + 4
Determine whether or not the function is linear. If it is, determine the slope and interpret it.The cost of tuition at a community college is given by C(x) = 467 + 69x, where x is the number of credit hours.
A. Linear; 69; The cost of tuition increases $69 for each additional credit hour. B. Not linear C. Linear; 467; The cost of tuition increases $467 for each additional credit hour. D. Linear; 69; The cost of tuition decreases $69 for each additional credit hour.
Determine whether the three points are collinear.(16, -1), (7, 5), (25, -7)
A. Yes B. No
The given function is one-to-one. Find f-1(x).f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 