Evaluate.
A. -15
B. 15
C. -13
D. 9
Answer: A
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Solve the problem.The bar graph below gives the number of births in a certain state for the months October to April, where 
corresponds to October and t = 7 corresponds to April. If the number of births in thousands in this state is the function B(t), where t is in months, find B(4) and explain its meaning. 
A. 1.872; In January, there were 1872 births in this state. B. 1.956; In February, there were 1956 births in this state. C. 1.872; In January, there were 1.872 births in this state. D. 1.887; In December, there were 1887 births in this state.
Provide an appropriate response.If f(x) represents the number of digital cable subscribers in a particular town and g(x) represents the number of households in the town, with x equal to the number of years from 2007, then what function represents the percent of households in the town with digital cable x years after 2007?
A. 100(f ? g)(x)
B. 100 
C. (f + g)(x)
D. 100f(x)g(x)
Use factoring to solve the equation.3k2 - 11k - 4 = 0
A. 
, - 
B. - 
, 3
C. -3, 4
D. - 
, 4
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