Use the discriminant to determine whether the graph of the equation is a parabola, ellipse, or a hyperbola.  figure 1.png)
What will be an ideal response?What will be an ideal response?
ellipse
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Provide an appropriate response.356 + 197 = 553197 + 356 = 553This is an example of the 
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A. associative property of addition B. commutative property of multiplication C. associative property of multiplication D. commutative property of addition
Provide an appropriate response.If r(t) is the rate of change of revenue, then 
isi) the total revenue up to time b.ii) the total revenue from time a to time b.iii) the change of revenue at any moment.
A. Only ii is correct. B. Both ii and iii could be correct. C. Only iii is correct. D. Only i is correct.
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
Write a general term an for the sequence. Assume that n begins with 1.6, -12, 18, -24, 30, . . .
A. an = (-1)n+16n B. an = n6 C. an = n + 6 D. an = (-1)n6n