Solve the linear equation.-4x + 3 + 6(x + 1) = -7x + 6
A. 
B. 
C. 
D. 
Answer: D
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Use a graphing calculator to solve the equation.2log4 + log x = 7
A. 1,439,115.6831 B. 625,000.0000 C. 1.60 × 108 D. 1,250,000.0000
Find the inverse of the function.f(x) = (x + 16)2 - 3, x ? -16
A. f-1(x) = 
+ 16
B. f-1(x) = 3x2 + 16
C. f-1(x) = 
- 16
D. f-1(x) = 
+ 3
Solve the system. 5x + z = -29 w + x + 3y - z = 145w + y + 3z = 21 w + x + 2y = 7
A. (30, -25, 6, -20) B. (6, -5, 6, -4) C. (6, -25, 6, -8) D. (6, -5, 3, -4)
Solve the problem.Elena is planning to enlarge a rectangular space with width = 11 ft and length = 22 ft by increasing the length x feet so that the new area is 352 ft2. How much should the length be enlarged?
A. 5 ft B. 143 ft C. 110 ft D. 10 ft