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Solve F(x) for the given domain.

F(x) = x^2 + 3x -2
F(a) =

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4