1. A spherical bubble is expanding at a rate of 60pi cm3. How fast is the surface area of the bubble expanding when the radius of the bubble is 4 cm?
2. Identify the following features of the graphs:
-domain and range
-vertical and/or horizontal asymptotes
-the coordination of any stationary points, classify them as max or min points
-the coordinates of any points of inflection and intervals of concavity
Here are the graphs:
f(x) = x4 - 3x2 + 3/8x - 1
f(x) = x4 +2x3 - 2x2 +1
Derivatives, Rate of Change and Properties of Functions are investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.