Working with derivatives and tangents
Not what you're looking for?
1.) Find the derivative of the function:
a.) f(x) = x + 1/x^2
b.) f(x) = (2/3rd root of x) + 3 cos x
2.) Find equation of tangent line to the graph of f at the indicated point:
a.) y = (x^2 + 2x)(x + 1) ; (1,6)
Purchase this Solution
Solution Summary
The solutions shows all mathematical steps to arrive at the final answer. This will enable you to solve similar problems yourself.
Solution Preview
1) y = x + (1/x^2)
dy/dx = 1 + d/dx(x^-2)
= 1 + [-2 * x^-3]
= 1 - (2/x^3) Answer
2)y = [2/x^(1/3)] + 3 Cos(x)
dy/dx = 2*(-1/3)[x^(-1/3)-1] + 3*-Sin(x)
= -(2/3)[1/x^(4/3)] - 3 ...
Purchase this Solution
Free BrainMass Quizzes
Solving quadratic inequalities
This quiz test you on how well you are familiar with solving quadratic inequalities.
Multiplying Complex Numbers
This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.
Probability Quiz
Some questions on probability
Know Your Linear Equations
Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.
Geometry - Real Life Application Problems
Understanding of how geometry applies to in real-world contexts