The graph of an exponential function is given. Match the graph to one of the following functions.
A. f(x) = 3x - 1
B. f(x) = 3x + 1
C. f(x) = 3x
D. f(x) = 3x + 1
Answer: D
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Use this graph to answer the question.Big "D" Sales for 2009 and 2010 
MonthWhat were the total sales for the first 6 months of 2009?
A. $366,000 B. $290,000 C. $240,000 D. $46,000
Solve the problem.Sue and Joan are making cloth pins for a craft show. They have enough fabric to make at most 60 giraffe pins and 120 frog pins. They know they will be able to sell at least 10 giraffes and 20 frogs. However they have time to make only a total of 150 pins. If their profit is $2.80 for each giraffe and $1.05 for each frog, what is their maximum profit?
A. $210.00 B. $294.00 C. $262.50 D. $367.50
Evaluate the integral.
dx
A. 
B. 21
C. 
D. 
Rewrite the quadratic equation in the form ax2 + bx + c = 0, then identify a, b, and c. x = -0.8x2 + 13.9
A. a = -0.8, b = 13.9, c = -1 B. a = -0.8, b = -1, c = -13.9 C. a = --0.8, b = -1, c = -13.9 D. a = -0.8, b = -1, c = 13.9