Solve the problem.A college student invests $7000 in an account paying 
per year compounded annually. In how many years will the amount at least quadruple? Round to the nearest tenth when necessary.
A. 19.5 yr
B. 18 yr
C. 22.2 yr
D. 20.9 yr
Answer: B
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Solve the problem.Plot the data and determine if a linear function would give an approximate fit.
A. No B. Yes
Divide, and round the quotient as indicated.Divide 288.03 by 0.005 and round the quotient to the nearest thousandth.
A. 57,606.500 B. 5,760.600 C. 5,760.650 D. 57,606.000
Find two possible missing terms so that the expression is a perfect square trinomial.x2 + 
+ 
A. - 
x, 
x
B. - 
x, 
x
C. -81x, 81x
D. -9x, 9x
Find the vertices and foci of the ellipse. Graph the ellipse.4x2 + 49y2 = 196
A. Foci at (0, -7) and (0, 7)
Vertices at (0, -49), (0, 49)
B. Foci at (-7, 0) and (7, 0)
Vertices at (-49, 0), (49, 0)
C. Foci at (0, - 3
) and (0, 3
)
Vertices at (0, -7), (0, 7)
D. Foci at (- 3
, 0) and (3
, 0)
Vertices at (-7, 0), (7, 0)