Write the equation in standard form for an ellipse centered at (h, k). Identify the center and the vertices.12x2 - 84x + 16y2 + 48y + 171 = 0
A. C
; V
; 
+ 
= 1
B. C
; V
; 
+ 
= 1
C. C
; V
; 
+ 
= 1
D. C
; V
; 
+ 
= 1
Answer: B
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Determine the values of x for which the function is continuous. If the function is not continuous, determine the reason.f(x) = 
A. Not continuous at x = -3; function not defined B. Not continuous at x = -3, x = -1, x = 0; function not defined C. Continuous for all x D. Not continuous at x = 0, x = -3; function not defined
Find the slope of the line and write the slope as a rate of change. Don't forget to attach the proper units.The graph shows the total cost y (in dollars) of owning and operating a mini-van where x is the number of miles driven.
A. $25.00 per mile B. $0.39 per mile C. $2.57 per mile D. cannot be determined
Find a so that the statement is true.
A. 1 B. 4 C. 0 D. 2 E. 3
Write the first four terms of the sequence.an = (-2)n+1
A. a1 = 4, a2 = -8, a3 = 16, a4 = -32 B. a1 = -2, a2 = 4, a3 = -8, a4 = 16 C. a1 = 2, a2 = -4, a3 = 8, a4 = -16 D. a1 = -4, a2 = 8, a3 = -16, a4 = 32