Answer the question.Describe the graph of the function f(x) = x + 2 if the domain is 
.
A. The graph consists of the four points (0, 3), (1, 4), (2, 5), and (3, 6).
B. The graph consists of the four points (1, 2), (2, 2), (3, 2), and (4, 2).
C. The graph consists of the four points (1, 3), (2, 4), (3, 5), and (4, 6).
D. The graph is a line through the four points (1, 3), (2, 4), (3, 5) , and (4, 6).
Answer: C
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Solve the problem.Your home state uses a linear model y= 45(x - 70) + 1610 to predict the number of vacationers (y) as compared to the average temperature for that week (x). Find the number of vacationers predicted for a week with an average temperature of 60 degrees.
A. 1160 vacationers B. 7460 vacationers C. 4240 vacationers D. 72,000 vacationers
Find a formula for the nth term of the arithmetic sequence whose first term a and common difference d are given.a = -9; d = 
A. an = 
n + 9
B. an = 
n - 
C. an = 
n - 9
D. an = -9n + 
Solve the problem.The function 
models the amount, f(x), in billions of dollars of new student loans x years after 1993. According to the model, in what year is the amount loaned expected to reach $39 billion?
A. 2,009 B. 2,014 C. 2,012 D. 2,013
Match the given equation with one of the graphs.
- 
= 1
A. 
B. 
C. 
D. 