Find the equation of the axis of symmetry of the parabola.y = -2x2 + 12x - 16
A. x = 3
B. x = 2
C. x = -2
D. x = -3
Answer: A
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A box contains $4.10 in nickels, dimes, and quarters. There are 24 coins in all, and the sum of the numbers of nickels and dimes is two less than the number of quarters. How many coins of each kind are there?
A. 3 nickels, 8 dimes, and 14 quarters B. 4 nickels, 7 dimes, and 13 quarters C. 4 nickels, 4 dimes, and 14 quarters D. 5 nickels, 6 dimes, and 13 quarters E. 6 nickels, 5 dimes, and 13 quarters
Provide an appropriate response.Find an equation for the tangent to the curve y = 
at the point (1, 4).
A. y = 0 B. y = 4 C. y = x + 4 D. y = 4x
Solve the problem.The number of edges in a tree with 57 vertices is
A. 56. B. 257. C. 58. D. 57. E. none of these
Evaluate the function.S(x) = 0.7x2 - 4.4x + 2.1; S(-0.3)
A. 0.216 B. 3.483 C. 1.404 D. -3.483