Solve the problem.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 300 feet per second at an angle of 60° with the horizontal. Find (a) the time when it strikes the ground and (b) the range (horizontal distance covered).
A. (a) 9.4 sec
(b) 2436 ft
B. (a) 16.2 sec
(b) 2436 ft
C. (a) 4.7 sec
(b) 352 ft
D. (a) 8.1 sec
(b) 3164 ft
Answer: B
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My business pays tax on income, and the tax paid is a linear function of income. If my income is $10420 then the tax owed is $929.60. If my income is $11309 then the tax owed is $1000.72. How much tax do I owe if my income is $11874? ?
A. $1045.92 B. $1046.18 C. $949.92 D. $950.03
Provide an appropriate response.True or false? Consider the double integral
The first step in calculating this integral involves holding y constant.
A. True B. False
Find an equation in slope-intercept form (where possible) for the line.The line with x-intercept -10 and perpendicular to 3x - y = 7
A. y = - 
x - 
B. y = 
x - 
C. y = - 
x - 10
D. y = -3x - 30
Write the following as an algebraic expression in u, u > 0.sin 
A. 
B. 
C. 
D. u