Graph the function.f(x) = 
x - 1
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.The cost of manufacturing a molded part is related to the quantity produced during a production run. When 100 parts are produced, the cost is $300. When 400 parts are produced, the cost is $2100. What is the average cost per part?
A. $4.50 per part B. $0.17 per part C. $6.00 per part D. $7.00 per part
Simplify the rational expression.
A. 
B. 
C. x - 5
D. x + 5
Solve.- 
x2 + 
x + 3 = -12
A. -6, 5 B. 6, 5 C. -6, -5 D. 6, -5
Solve the problem.Let T be the amount of time (in seconds) it takes a baseball to fall to the ground when the ball is dropped from h feet above the ground. A good model is 
Simplify the right-hand side of the equation and determine how long it would take for a baseball to reach the ground if it were dropped from the top of a building that is 930 feet tall. Round to the nearest tenth when necessary.
A. T = 
; 232.5
B. T = 
; 7.6
C. T = 
; 15.2
D. T = 
; 1.9