Find the difference quotient, 
, for the function and simplify it.q(x) = 
A. 
B. 
C. 
D. 
Answer: A
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Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 0.80x - 3.79 B. y = 0.95x - 2.79 C. y = 0.90x - 3.79 D. y = 0.85x - 2.79
Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola.(y + 2)2 - 9(x - 4)2 = 9
A. center: (4, -2)
transverse axis is parallel to x-axis
vertices: (-4, -3) and (4, 3)
foci: (4, - 
) and (4, 
)
asymptotes of y + 2 = - 3(x - 4) and y + 2 = 3(x - 4)
B. center: (-4, 2)
transverse axis is parallel to y-axis
vertices: (-4, -1) and (-4, 5)
foci: (-4, 2 - 
) and (-4, 2 + 
)
asymptotes of y + 2 = - 3(x - 4) and y + 2 = 3(x - 4)
C. center: (4, -2)
transverse axis is parallel to y-axis
vertices: (5, -4) and (5, 2)
foci: (5, -1 - 
) and (5, -1 + 
)
asymptotes of y + 2 = - 
(x - 4) and y + 2 = 
(x - 4)
D. center: (4, -2)
transverse axis is parallel to y-axis
vertices: (4, -5) and (4, 1)
foci: (4, -2 - 
) and (4, -2 + 
)
asymptotes of y + 2 = - 3(x - 4) and y + 2 = 3(x - 4)
Write the number in the sentence in words.The average population of the suburbs around a certain large city is 72,018.
A. seven thousand, two hundred eighteen B. seventy-two thousand, one hundred eight C. seventy-two thousand, eighteen D. seventy-two hundred, eighteen
Solve by substitution and check.2x + y = -10 y = 2x - 2
A. (-2, -6) B. (-6, 2) C. (-3, -8) D. (-6, -2)