Solve the polynomial inequality. Express the solution using interval notation.x3 + 3x2 - x ? 3
A. (-?, -1] ? [1, 3]
B. [-3, -1] ? [1, ?)
C. [-1, 1] ? [3, ?)
D. (-?, -3] ? [-1, 1]
Answer: B
Mathematics
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Use the given information to determine whether the sets are equal. U = {1, 2, 3, 4, 5, 6, 7, 8} A = {1, 3, 5, 7} B = {2, 3, 4, 5, 6}(A ? B)', A' ? B'
A. Not equal B. Equal
Mathematics
The curve x = 5 - 10cos²t, y = tant(1 - 2cos²t) cross itself at some point  FIGURE 1.png)
Find the equations of both tangent lines at that point.
What will be an ideal response?
Mathematics
Find the indicated term of the geometric sequence.a5 when a1 = 4 and r = 5.
A. 12,500 B. 2500 C. 80 D. 625
Mathematics
Find the vertex.f(x) = (x + 1)2 + 1
A. (1, 0) B. (0, 1) C. (-1, 1) D. (-1, -1)
Mathematics