Find the inverse of the one-to-one function.f(x) = (x + 6)3
A. f-1(x) = 
- 6
B. f-1(x) = 
- 216
C. f-1(x) = 
- 6
D. f-1(x) = 
+ 6
Answer: C
Mathematics
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Graph the system of inequalities.x + y ? 2 y ? 2
A. 
B. 
C. 
D. 
Mathematics
Find the vertex of the parabola.y = -3x2 - 6x - 3
A. (1, 0) B. (-1, 0) C. (0, -1) D. (0, 1)
Mathematics
Add the following numbers:
a. 1.23 ð 103 + 4.56 ð 102 b. 81.6 ð 102 + 9.42 ð 103 c. 17.3 ð 10-2 + 47.0 ð 10-3
Mathematics
Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(-3, 0)} B. {(1, 2)} C. no solution; ? D. {(0, 3)}
Mathematics