Give the coordinates of the vertex and graph the equation in a window that includes the vertex.y = 2x2 - 60x + 16
A. Vertex: (15, -390)
B. Vertex: (-15, -434)
C. Vertex: (15, -434)
D. Vertex: (30, -884)
Answer: C
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Find an exponential model for the following data set. Round your answer to two decimal places. t 0 1 2 3 y 8.07 7.26 6.53 5.88?
A. 
B. ?
C. ?
D. ?
Match the situation to the graph that models it best.The remaining hours y that a battery will work after it has been used for x hours
A. 
B. 
C. 
D. 
Solve.4
- 
= 0
A. x = 
B. x = - 2
C. x = 1
D. x = 
Solve the problem using matrices.A chemist has prepared two acid solutions, one of which is 6% acid by volume, another 10% acid. How many cubic centimeters of each should the chemist mix together to obtain 50 cm3 of a solution that is 
acid.
A. 3.92 cm3 of 6%; 46.08 cm3 of 10% B. No solution C. 27 cm3 of 6%; 23 cm3 of 10% D. 50 cm3 of 6%; 50 cm3 of 10%