SOLUTION: Exercises 25–44: Identify where ƒ is increasing and where ƒ is decreasing. ƒ(x) = 0.3x^2 - 4 cheers! thanks for the help

Algebra ->  Linear-equations -> SOLUTION: Exercises 25–44: Identify where ƒ is increasing and where ƒ is decreasing. ƒ(x) = 0.3x^2 - 4 cheers! thanks for the help      Log On


   



Question 322161: Exercises 25–44: Identify where ƒ is increasing and where ƒ
is decreasing.
ƒ(x) = 0.3x^2 - 4
cheers! thanks for the help

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Your function is a quadratic polynomial with no first degree term. That means that the axis of symmetry is the y-axis. Furthermore, the lead coefficient is positive so the parabola opens upward.

Decreasing on (]

Increasing on [)


John