Provide an appropriate response.15 is not a prime number because
A. its factor pairs are 3 × 5.
B. 15 is not divisible by any number except 1 and itself.
C. it has 1 as a factor.
D. its factor pairs are 1 × 15, 3 × 5.
Answer: D
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Graph the equation.y2 = -12x
A. 
B. 
C. 
D. 
Perform the indicated operation.
(Round to the nearest hundredths when necessary.)
A. 2.79 B. 0.23 C. 2.29 D. 0.28
Solve the problem.The table shows the population of a city over the past five years.
We used these data to develop the quadratic equation 
, which models the population of the city y in millions in the year x, where x = 0 represents 1995, x = 1 represents 1996, and so on. Use the model to find the estimated population in the year 1998.
A. 1,490,000,000,000 B. 1,490,000 C. 68,852,000 D. 71,628,000
Determine if the relation is a function.
A. Yes B. No