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Describe the domain and range of y=2(3)^x-2+5

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36