The velocity, in feet/second, of a rocket t seconds into vertical flight is given by
?
?
What is the altitude of the rocket 20 seconds after liftoff?
?
Hint: 
; 
.
?
A. 31,000 ft
B. 30,800 ft
C. 30,700 ft
D. 30,500 ft
Answer: B
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Solve the problem.In one year, a baseball player got 121 hits in 375 times at bat. What was his batting average? Give decimal notation to the nearest thousandth.
A. 0.326 B. 0.333 C. 0.323 D. 0.303
Find the least common multiple.10, 15
A. 25 B. 15 C. 30 D. 150
Solve. Write the fraction in simplest form.A recipe calls for 
of a pound of sausage. How much sausage should be used if only 
of the recipe is being made?
A. 
lb
B. 
lb
C. 
lb
D. 
lb
Solve the problem.Suppose a cold front is passing through the United States at noon with a shape described by the function 
where each unit represents 100 miles. 
Missouri is located at 
and the positive y-axis points north.N
/> 
SSuppose the front moves south 340 miles and west 120 miles and maintains its shape. Give the equation for the new front and plot the new position of the front.
A. y = - 
(x + 1.2)2 - 3.4
| N |
| S |
B. y =
(x - 1.2)2 + 3.4| N |
| S |
C. y =
(x - 1.2)2 - 3.4| N |
| S |
D. y =
(x + 1.2)2 - 3.4| N |
| S |