Find the vertices and foci of the given ellipse.4x2 + y2 = 4
A. Vertices: (2, 0) and (-2, 0);
Foci: (
, 0) and (-
, 0)
B. Vertices: (0, 2) and (0, -2);
Foci: (0, 
) and (0, -
)
C. Vertices: (0, 2) and (0, -2);
Foci: (0, 
) and (0, -
)
D. Vertices: (0, 
) and (0, -
);
Foci: (0, 2) and (0, -2)
Answer: C
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A. 69 B. 5 C. 1,035 D. 3,150
Solve the problem.The height of a baseball (in feet) at time t (in seconds) is given by y = -16x2 + 80x + 5. Which one of the following points is not on the graph of the equation?
A. (2, 117) B. (1, 69) C. (4, 69) D. (3, 101)
Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. (0, 7)
B. 
C. 
D. none
Solve the problem.From a 10-inch by 10-inch piece of metal, squares are cut out of the four corners so that the sides can then be folded up to make a box. Let x represent the length of the sides of the squares, in inches, that are cut out. Express the volume of the box as a function of x.
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