Solve the inequality. Express your answer using interval notation.-3(3x + 11) < -12x - 21
A. (-?, 18]
B. (4, ?)
C. (-?, 4)
D. (-?, 4]
Answer: C
Mathematics
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Use the given graph of f(x) = ax2 + bx + c to solve the specified inequality.f(x) < 0
A. -3 < x < 3 B. x < -3 or x > 3 C. no solution D. x < -3
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Verify that the matrix is invertible and find its inverse.A = 
A.
A-1 = 
B.
A-1 = 
C.
A-1 = 
D.
A-1 = 
Mathematics
Determine whether the given function is even, odd, or neither.f(x) = 4
A. Even B. Odd C. Neither
Mathematics
Use the information given about the angle ?, to find the exact value of the indicated trigonometric function.tan ? = 
, ? in quadrant III Find sin 2?.
A. 
B. - 
C. 
D. - 
Mathematics