Simplify $(r^2 + 3r - 2) - (r^2 + 7r - 5)$.

Which statements are true? see picture

What is the value of f(x) = 2.2 for f(-2)?

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