Graph the ellipse and locate the foci.16x2 + 4y2 = 64
A. foci at (2
, 0) and (-2
, 0)
B. foci at (0, 2
) and (0, -2
)
C. foci at (2
, 0) and (-2
, 0)
D. foci at (
, 0) and (-
, 0)
Answer: B
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First, create a scatter plot for the data in the table. Then, use the shape of the scatter plot given to determine if the data are best modeled by a linear function, an exponential function, a logarithmic function, or a quadratic function.
A. 
quadratic function
B. 
exponential function
C. 
linear function
D. 
logarithmic function
Estimate the indicated probability.The Amboy Kennel Club has held an annual dog show for the last 30 years. During this time the winner of "Best of Show" has been an Alaskan Malamute 15 times, a Great Pyrenees 3 times, and an Siberian Husky 12 times. Determine the empirical probability that the next winner of "Best of Show" will be a Siberian Husky.
A. 
B. 
C. 
D. 
Set up an integral for the length of the curve.y = 2 cot x, 
? x ? 
A. 
B. 
C. 
D. 
Solve the problem.Ellen is knitting a scarf with one 3
-inch blue stripe, one 2
-inch green stripe, and one 
white stripe. How wide is the scarf?
A. 
in.
B. 
in.
C. 8
in.
D. 2
in.