Multiply.(x + 3)(x + 3)(x + 3)
A. x3 + 3x2 + 3x + 27
B. x3 + 9x2 + 3x + 27
C. x3 + 9x2 + 9x + 27
D. x3 + 9x2 + 27x + 27
Answer: D
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A. Polynomial B. Not a polynomial
Solve the problem.If n(A) = 52, n(B) = 37, and n(A ? B) = 75, find n(A ? B).
A. 89 B. 28 C. 14 D. 61
Determine the domain and range of the function.
A. domain: (-?, ?); range: (0, 4) B. domain: (-?, ?); range: [0, 4] C. domain: [0, 4]; range: (-?, ?) D. domain: (0, 4); range: (-?, ?)
Find the axis, domain, and range of the parabola.f(x) = x2 + 4x + 3
A. axis: x = -2 domain: (-?, ?) range: (-?, -1] B. axis: x = -4 domain: [-1, ?) range: (-?, ?) C. axis: x = -2 domain: (-?, ?) range: [-1, ?) D. axis: x = -4 domain: (-?, -1] range: (-?, ?)