Determine the domain and range of the relation.{(-4, 4), (1, -1), (-2, -4), (2, -2)}
A. Domain: {4, -1, -4, -2}; range: {-4, 1, -2, 2}
B. Domain: {-4, 0, -2, 2}; range: {4, -1, 0, -2}
C. Domain: {-4, 1, 7, 2}; range: {4, -1, -4, 7}
D. Domain: {-4, 1, -2, 2}; range: {4, -1, -4, -2}
Answer: D
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Simplify the expression, leaving your answer with only positive exponents. Assume that all variables represent positive numbers.x-2/5 ? x3/5
A. x5/6 B. x1/5 C. x-1/5 D. x6/5
Find the inverse of the relation.{(5, -8), (14, 9), (7, -1)}
A. {(5, -8), (14, 9), (7, -1)} B. {(-8, 5), (7, 14), (-1, 9)} C. {(5, 9), (5, 14), (-1, 7)} D. {(-8, 5), (9, 14), (-1, 7)}
Graph the quadratic function. Identify the vertex and x-intercepts.y = x2 + 2x - 8
A. Vertex: (1, - 9);
x-intercepts: (-2, 0) and (4, 0)
B. Vertex: (- 1, - 9);
x-intercepts: (4, 0) and (2, 0)
C. Vertex: (1, - 9);
x-intercepts: (-2, 0) and (4, 0)
D. Vertex: (- 1, - 9);
x-intercepts: (-4, 0) and (2, 0)
Perform the division.
A. 9x2 + 1 B. 9x2 + 3x + 1 C. 9x2 - 3x + 1 D. 9x2 + 3x - 1