Find an equation for the line with the given properties.The solid line L contains the point (3, 1) and is parallel to the dotted line whose equation is 
Give the equation for the line L in slope-intercept form.
A. y = 2x + b
B. y - 1 = 2(x - 3)
C. y = 2x - 2
D. y = 2x - 5
Answer: D
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Solve.An original amount of a radioactive substance decomposes such that N mg remain after t years. The function relating t and N is 
Sketch the graph.
A. 
B. 
C. 
D. 
Find the exact value of the expression. 
- 
A. 3?
B. 
C.
D. 
Find the LCD for the rational expression.
, 
A. x(x + 3)2 B. x(x + 3)(x - 5) C. x(x - 2)(x - 5) D. (x + 3)2
Solve the problem.An airline decides to reduce ticket prices by x dollars form the current price of $657. (i) Write a polynomial that gives the new price after the x-dollar deduction. (ii) The revenue is the number of tickets sold times the price of each ticket. If 70 tickets were sold when the price was $657 and 10 additional tickets are sold for each dollar the price is reduced, write a polynomial that gives the revenue in terms of x when the original price is reduced by x dollars.
A. (i) -x - 657 (ii) 10x2 + 45,990x + 6570 B. (i) -x - 657 (ii) -10x2 - 45,990x + 6570 C. (i) -x + 657 (ii) 10x2 - 6570x + 45,990 D. (i) -x + 657 (ii) -10x2 + 6570x + 45,990