Find an equation for the ellipse described.Focus at (0, -4); vertices at (0, ±8)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: D
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Solve the problem by integration.Under certain conditions, the velocity v (in m/s) of an object moving along a straight line as a function of the time t (in s) is given by 
Find the distance traveled by the object during the first 4 s.
A. 4.769 m B. 2.572 m C. 1.474 m D. 1.822 m
Find the derivative of y with respect to the independent variable.y = 8
A. 
B. 
8
C. 
8
D. 8
ln 8
Provide an appropriate response.A hobby store packages mixtures of different beads for sale. From wood beads, glass beads, and metal beads, the owner wants to prepare a mixture which will sell for $4.20 for a 200 count bag. The cost per bead of these beads is $0.01, $0.03, and $0.05, respectively. The number of wooden beads is to be four times the number of metal beads. How many of each type of bead will be in the final package?
What will be an ideal response?
Solve the equation.log (3x) = log 4 + log (x - 1)
A. {- 4}
B. {4}
C. 
D. 