Evaluate: 
A. 14
B. 12
C. 18
D. 
Answer: A
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A sports car is moving at a constant speed and then starts to accelerate. The following table shows the velocity V, in miles per hour, of a sports car t seconds after it begins accelerating. Round your answer to two decimal places, if necessary. t 2 2.5 3 3.5 V 41 47.67 54.34 61.01? A: Complete a table of changes to show that the data are linear.B: Find a linear model for the data.C: By how much does the velocity increase over a 3-second period?
What will be an ideal response?
Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. 0.3 B. -0.3 C. 2.3 D. 0.1
Solve the problem.The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a solution is given by 
where x represents the concentration of the hydrogen ions in the solution in moles per liter. Find the hydrogen ion concentration if the 
A. 105 B. 10-5 C. 0.2 D. 1.61
Find the equation that the given graph represents.
A. P(x) = -x5 - 3x2 + 6 B. P(x) = x4 - 3x2 + 6 C. P(x) = x6 - 2x2 - 6 D. P(x) = x5 + 2x3 + 6