Use the Parabola tool to graph the quadratic functions. Graph the parabola by first plotting its vertex and then plotting a second point on the parabola. (Applies to all functions.)

1. f(x)=2x^2−8x+9
2.f(x)=(x+4)^2−6
3. f(x)=(x−1)(x−3)

Step-by-step explanation:

hope it's helpful to you

28

step-by-step explanation:

because that's the answer

step-by-step explanation:

*calories burned = (weight)(calorie factor)*

calories burned = 180 (0.65)

calories burned = 117

the calories he used up is 117, which is 65% of his weight.