Find dy for the given values of x and ?x.y = 5x2 - 2x + 3; x = 2, ?x = - 
A. 3
B. -6
C. 6
D. -3
Answer: D
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Determine whether the pair of lines is parallel, perpendicular, or neither.y = 
x - 7 and y = - 
x + 5
A. parallel B. perpendicular C. neither
Solve the problem.Fred, a local mechanic, gathered the following data regarding the price, in dollars, of an oil and filter change at twelve competing service stations:
Compute the range.
A. $10 B. $12 C. $14 D. $8
Find the slope of the line through the given pair of points, if possible. Based on the slope, indicate whether the line through the points rises from left to right, falls from left to right, is horizontal, or is vertical.(9, -3) and (-1, 6)
A. 
; rises
B. - 
; falls
C. 
; rises
D. - 
; falls
Solve the problem.Consider the following simplified digital photograph that has a 
grid with four gray levels numbered from 
It shows a letter Y in dark gray on a white background.
Let A be the 3 × 3 matrix that represents this figure digitally. Find the matrix A.
A. 
B. 
C. 
D. 