Secant and Tangent Lines, math homework help

It’s about 4 questions in the assignment on the Mathematica app.
This assignment has to be done before 8am on Wednesday, September 28, 2016.
The deadline for the assignment at 9am.
The questions are:
Question #1 – Functions
In this problem, you will explore graphing functions in Mathematica and how to use the Solve command.
Question #2 – Secant and Tangent Lines
In this problem, you will explore a visual explanation of the limit definition of the derivative.
Question #3 – Derivatives
In this problem, you will learn how to compute derivatives with Mathematica.
Question #4 – Implicit Differentiation
In this problem, you will learn how to graph implicit relationships to visualize what is algebraically written down on paper.
Any questions please ask, this assignment is so important.