**Evaluate given quadratic functions**

(1)f(x)=x^2+8x+6, Find f(-5)

(2)g(x)=5x^2-4x+8, g(-9)

(3) f(x)=x^2+2x-17, f(a-4)

**Find all fixed points for the following functions by setting the function equal to x and solving the resulting equation for x**

(1) f(x)=x^2-5x+8