Use a graphing calculator to plot the data and find the quadratic function of best fit.The following data represents the total revenue, R (in dollars), received from selling x bicycles at Tunney's Bicycle Shop. Using a graphing utility, find the quadratic function of best fit using coefficients rounded to the nearest hundredth. 
What will be an ideal response?
R(x) = -1.65x2 + 634.42x + 7089.93
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For the function f whose graph is given, determine the limit.Find
f(x).
A. 3 B. -3 C. 0 D. does not exist
Solve the equation using the zero product property.-9(x - 9)(x + 5) = 0
A. {-9, 5} B. {-9, 9, -5} C. {9, 5} D. {9, -5}
Write the augmented matrix for the system of linear equations.
A. 
B. 
C. 
D. 
Solve the problem.The orbit of a planet around a sun is an ellipse with the sun at one focus. The aphelion of a planet is its greatest distance from the sun, its perihelion is its shortest distance, and its mean distance is the length of the semimajor axis of the elliptical orbit. If a (hypothetical) planet has a perihelion of 431.4 million miles and a mean distance of 434 million miles, write an equation for the orbit of the planet around the sun.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1