Use a graphing calculator to plot the data and find the quadratic function of best fit.Southern Granite and Marble sells granite and marble by the square yard. One of its granite patterns is price sensitive. If the price is too low, customers perceive that it has less quality. If the price is too high, customers perceive that it is overpriced. The company conducted a pricing test with potential customers. The following data was collected. Use a graphing calculator to plot the data. What is the quadratic function of best fit? Round values to the nearest thousandth.
A. B(x) = -0.243x2 + 3.115x - 22.126
B. B(x) = -0.0243x2 + 3.115x + 22.126
C. B(x) = -0.0243x2 + 3.115x - 22.126
D. B(x) = 0.0243x2 - 3.115x - 22.126
Answer: C
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Write as a decimal.37.7%
A. 0.267 B. 0.377 C. 3.77 D. 0.0377
Given the magnitudes of vectors u and v and the angle ? between them, find sum of 
. Give the magnitude to the nearest tenth when necessary and give the direction by specifying the angle that the resultant makes with u to the nearest degree.?u? = 14, ?v? = 86, ? = 90°
A. 100, 81° B. 87.1, 81° C. 100, 45° D. 87.1, 45°
Find all the real zeros of 
.
A. ?x = 3, 
B. ?x = 2, 1, -6
C. ?x = ± 1, 3
D. ?x = 3
E. ?x = 
, 
Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 16 B. x = 2.0 C. x = 8 D. x = 84.5