For the given functions f(x) and g(x), find (f ? g)(x) or 
(x) as indicated.f(x) = 2x - 8, g(x) = 7x - 3Find (f ? g)(x).
A. 9x2 - 62x - 11
B. 14x2 - 59x + 24
C. 14x2 + 24
D. 14x2 - 62x + 24
Answer: D
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Solve the problem.The position of a particle moving along a coordinate line is s = 
with s in meters and t in seconds. Find the particle's acceleration at 
A. - 
m/sec2
B. 
m/sec2
C. - 
m/sec2
D. 
m/sec2
Solve the problem.An electrician charges a fee of $55 plus $40 per hour. Let y be the cost in dollars of using the electrician for x hours. Find the slope-intercept form of the equation.
A. y = 55x + 40 B. y = 40x - 55 C. y = 55x - 40 D. y = 40x + 55
Solve the problem.In a computer game, you are facing a door. If you turn right 70°, you face a window. The instructions say the angle between the door and the window, plus the angle between the window and the treasure, are supplementary angles. How many degrees more must you turn right to face the treasure?
A. 140° B. 110° C. 20° D. 70°
Solve the system of equations by the substitution method. Check your solutions.
A. {(3, 4), (6, 1)} B. {(5, 2)} C. {(3, 10), (6, 1)} D. {(-3, 10), (-6, 13)}