An event has a theoretical probability of 20% which must be true

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2

Will give brainliest b. describe the function over each part of its domain. state whether it is constant, increasing, or decreasing, and state the slope over each part.