Find the vertex of the parabola.f(x) = 4x2 + 40x - 5
A. (5, 2)
B. (-2, -5)
C. (2, 5)
D. (-5, -105)
Answer: D
Mathematics
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Find an exponential model for the following data set. Round your answer to two decimal places. t 0 2.13 4.26 6.39 y 6.09 8.35 11.45 15.71?
A. 
B. ?
C. ?
D. ?
Mathematics
Solve the problem.The results of a school election for student president are shown in the following table. 
What is the probability that a randomly polled voter voted for Candidate C?
A. 0.28 B. 0.12 C. 0.25 D. 0.50
Mathematics
Evaluate the expression.15 - (-10)
A. -5 B. 5 C. -25 D. 25
Mathematics
For the given inequality, state the inequality that results when the specified operation is performed on both members.19 < 30Subtract 6.
A. 6 < 30 B. 13 < 24 C. 6 < 19 D. 25 < 36
Mathematics