Find the vertex of the parabola.f(x) = 
x2 - 4x + 6
A. 
B. (6, -6)
C. (-6, -6)
D. 
Answer: B
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Solve.The ferris wheel at an amusement park is 71 ft in diameter, turns at a rate of 4 rpm, and is 3 ft off the ground at the low point. What is the height of a passenger 30 seconds into the ride?
A. 0 ft B. -35 ft C. 3 ft D. 6 ft
Provide an appropriate response.A student is solving the equation x2 = 6x This student has decided to divide both sides of the equation by x and finds the solution x = 6. The student checks the answer in the back of the book and finds that x = 0 is also a solution. The student feels that this is a misprint. How would you advise him or her?
What will be an ideal response?
Graph the rational function.f(x) = 
A. 
B. 
C. 
D. 
For the given probability density function, over the stated interval, find the requested value.f(x) = 
x2, over the interval [-2, 3]. Find E(x).
A. 
B. 
C. 
D. 