Solve.The motion of a projectile that is fired at a 60° angle with the horizontal is given by x = 
t, 
for t in 
Suppose a projectile is fired with an initial velocity of 650 feet per second at an angle of 60° with the horizontal. Find (a) the time when it reaches maximum altitude (b) the maximum altitude.
A. (a) 17.6 seconds
(b) 4951 feet
B. (a) 70.4 seconds
(b) 29,707 feet
C. (a) 35.2 seconds
(b) 11,434 feet
D. (a) 10.2 seconds
(b) 1650 feet
Answer: A
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Solve. Write the answer as a mixed number in simplest form.Mark is filling decorative oil lamps for a reception. Each lamp can hold 
cup of oil. Mark has 1
cups of oil available. How many oil lamps can Mark fill completely?
A. 0
oil lamps
B. 3 oil lamps
C. 1 oil lamps
D. 2 oil lamps
Solve. Round to the nearest tenth.A 25-ft-tall ladder is placed so that it reaches 23 ft up on the wall of a house. How far is the base of the ladder from the wall of the house?
A. 34 ft B. 9.8 ft C. 1154 ft D. 96 ft
Graph the function.Use the graph of f(x) = ln x to obtain the graph of g(x) = 3 ln x.
A. 
B. 
C. 
D. 
The lengths of the legs of a right triangle are given. Find the hypotenuse.a = 24, b = 7
A. 625 B. 25 C. 5 D. 20