Solve the system of equations by the elimination method. Check your solutions. For any dependent equations, write your answer in the ordered pair form.
A. {(7, -3)}
B. {(7, -4)}
C. ?
D. {(6, -3)}
Answer: B
You might also like to view...
Factor completely.2x3 + 2x2 - 40x
A. (x - 4)(2x2 + 10) B. (2x2 + 8x)(x - 5) C. 2x(x - 4)(x + 5) D. 2x(x + 4)(x - 5)
Find the indicated function.A group of men want to share equally in the $240 cost of painting a building. At the last minute, two men drop out. This raises the share of each remaining man by $32. If x represents the original number of men in the group, what is a function to represent the amount of increase in cost for each man still remaining?
A. C(x) = 
+ 
B. C(x) = 
- 
C. C(x) = 
- 
D. C(x) = 240(x - 2) - 240x
For the quadratic function, find the maximum or minimum function value.f(x) = 3x2 + 2x - 6
A. Minimum: - 
B. Minimum: - 
C. Maximum: - 
D. Maximum: - 
The function f is one-to-one. Find its inverse.f(x) = (x + 2)3 - 8.
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
+ 8
D. f-1(x) = 
- 2