Use the vertex formula to find the vertex of the quadratic function.f(x) = x2 + 6x + 2
A. (-3, -25)
B. (3, 29)
C. (-3, -7)
D. (6, 74)
Answer: C
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To find 50% of a number, divide the number by 2. 546.132
A. 273.066 B. 68.2665 C. 2.73066 D. 273066
The profit P, in thousands of dollars, for a certain company depends on the number n of items produced. The relationship is given by
?
.
?
A: Plot the graph of the profits versus number of items produced.B: What number of items produced will result in maximum profit?C: The marginal profit is the rate of change 
. What is the value of at the production level you found in part B?
What will be an ideal response?
Find the standard equation of the ellipse shown in the figure. Identify the coordinates of the vertices, endpoints of the minor axis, and the foci.
A. 
+ 
= 1; V(0, ±4); U(±3, 0); F(±4, 0)
B. 
+ 
= 1; V(0, ±4); U(±3, 0); F(0, ±
)
C. 
+ 
= 1; V(±3, 0); U(0, ±3); F(±5, 0)
D. 
+ 
= 1; V(±4, 0); U(0, ±3); F(±
, 0)
Sketch the graph of the rational function.f(x) = 
A. 
B. 
C. 
D. 