Provide an appropriate response.Solve the inequality: 2x + 3 < 15 < 3x - 9
A. 2 < x < 9
B. 6 < x < 8
C. no solution
D. 6 < x or x > 8
Answer: C
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Find the derivative.y = 4x4 - 7x3 + 1
A. 16x3 - 21x2 - 7 B. 16x3 - 21x2 C. 4x3 + 3x2 D. 4x3 + 3x2 - 7
Determine the number of solutions of the system. State whether the system is consistent or inconsistent. For a system that is consistent, state whether the equations are dependent or independent. State the solution of the system.
A. one solution; consistent; independent; (0, 2)
B. one solution; consistent; independent; 
C. infinitely many solutions; consistent; dependent
D. no solution; inconsistent
Solve the system of equations by substitution, if a solution exists.
A. x = 0, y = -2 B. x = 1, y = -3 C. x = -3, y = 1 D. No solution
Find a formula for f-1(x).f(x) = 6x + 4
A. f-1(x) = -6x - 4
B. f-1(x) = 
C. f-1(x) = 
- 4
D. f-1(x) = 