Find the vertices and the foci of the given ellipse.
+ 
= 1
A. V: (-9, 0), (9, 0)
F: (-3, 0) and (3, 0)
B. V: (-3, 0), (3, 0);
F:(- 
, 0), (
, 0)
C. V: (0, -3), (0, 3);
F: (0, - 
), (0, 
)
D. V: (0, -4), (0, 4);
F: (0, -2) and (0, 2)
Answer: B
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Find the standard-form equation for an ellipse which satisfies the given conditions.An ellipse centered at the origin having focus (
, 0) and directrix x = 
A. 
+ 
= 1
B. 
+ y2 = 1
C. 
+ 
= 1
D. 
+ 
= 1
Determine the period and range for the function.f(x) = -cos(x) - 4
A. period: ?; range: [-6, -2] B. period: 2?; range: [-5, -3] C. period: 2?; range: [-1, 1] D. period: ?; range: [-5, -3]
Solve the problem.A truck rental company charges $29 plus $0.09 per mile to rent a moving truck for a day. If x represents the number of miles driven and f(x) represents the total cost to rent the truck for a day, a linear function that models the situation is 
What is the cost of renting the truck if it is driven 230 miles?
A. $49.70 B. $6670.09 C. $8.30 D. $31.07
Plot and interpret the appropriate scatter diagram.The one-day temperatures for 12 world cities along with their latitudes are shown in the table below. Make a scatter diagram for the data. Describe what happens to the one-day temperatures as the latitude increases.
Latitude (degrees)
Temperature (F)°
What will be an ideal response?