Determine what kind of function might be used as a model for the data.
A. Polynomial, but neither quadratic nor linear
B. Quadratic: f(x) = ax2 + bx + c, a < 0
C. Quadratic: f(x) = ax2 + bx + c, a > 0
D. Linear: f(x) = mx + b
Answer: B
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Solve the problem.A pet shop has a total of 16 dogs and birds. Altogether there are 48 feet. How many dogs are there and how many birds?
A. 9 dogs and 7 birds B. 10 dogs and 6 birds C. 7 dogs and 9 birds D. 8 dogs and 8 birds
Write the complex number in the form a + bi.
A. 
+ 
i
B. 
+ 
i
C. 
+ 
i
D. 
+ 
i
Write the sample space for the experiment. A box contains 3 blue cards numbered 1 through 3, and 4 green cards numbered 1 through 4. Bill picks a blue card and then a green card and records the number on each card.
A. S = {(1, 2, 3, 4)} B. S = {(1, 1), (1, 2), (1, 3), (2, 1), (2, 2), (2, 3), (3, 1), (3, 2), (3, 3), (4, 1), (4, 2), (4, 3)} C. S = {(3, 4)} D. S = {(1, 1), (1, 2), (1, 3), (1, 4), (2, 1), (2, 2), (2, 3), (2, 4), (3, 1), (3, 2), (3, 3), (3, 4)}
Write the repeating decimal using an ellipsis.0.
A. 0.999 . . .
B. 0.
. . .
C. 9.999 . . .
D. 0.9