Factor.6x2 + 13x + 6
A. Prime
B. (3x - 2)(2x - 3)
C. (6x + 2)(x + 3)
D. (3x + 2)(2x + 3)
Answer: D
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Solve the problem.The function f(x) = |x|- 5 is not one-to-one.(a) Find a suitable restriction on the domain of f so that the new function that results is one-to-one.(b) Find the inverse of f.
What will be an ideal response?
Solve the equation. If the equation has no real solution, so state.
- 
= 1
A. x = -3, x = -1 B. No solution C. x = -1, x = 3 D. x = 3
Model the problem with a linear equation.The average value of a certain type of automobile was $13,500 in 2008 and depreciated to $6660 in 2011. Let y be the average value of the automobile in the year x, where x = 0 represents 2008. Write a linear equation that models the value of the automobile in terms of the year x.
A. y = -2280x + 13,500
B. y = -2280x - 180
C. y = -2280x + 6660
D. y = - 
x - 6660
Solve the system by the method of your choice. Identify systems with no solution and systems with infinitely many solutions, using set notation to express their solution sets. 4x - 3y = 9-16x + 12y = -27
A. {(4, 3)}
B. 
C. {
4x - 3y = 9 }
D. ?