Use a graphing calculator to plot the data and find the quadratic function of best fit.A small manufacturing firm collected the following data on advertising expenditures (in thousands of dollars) and total revenue (in thousands of dollars). 
Find the quadratic function of best fit.
A. R(x) = -0.024x2 + 7.13x + 6209
B. R(x) = -0.015x2 + 4.53x + 6123
C. R(x) = -0.091x2 + 5.95x + 6337
D. R(x) = -0.31x2 + 2.63x + 6128
Answer: C
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Completely factor the polynomial or state that the polynomial is prime.15z2 - 4z - 4
A. (15z - 2)(z + 2) B. (3z - 2)(5z + 2) C. (3z + 2)(5z - 2) D. prime
Determine whether f is a geometric sequence. If so, identify the common ratio.f(n) = 3(n + 8)3
A. No B. Yes; (n + 8)
Provide an appropriate response.Carefully explain the difference between an algebraic expression and an algebraic equation.
What will be an ideal response?
Find an equation for the line with the given properties.The solid line L contains the point (-2, 4) and is perpendicular to the dotted line whose equation is 
Give the equation of line L in slope-intercept form.
A. y - 4 = 2(x + 2)
B. y - 4 = - 
(x + 2)
C. y = 
x + 3
D. y = - 
x + 3