Calculus/Differentiation:Exercises

Questions

1. What is the derivative of 5?
2. What is the derivative of x?

3. What is the derivative of $2x^5+8x^2+x-78$ ?
4. What is the derivative of $7x^7+8x^5+x^3+x^2-x$ ?
5. What is the double derivative of $3x^4+3x^2+2x$ ?

Answers

1. 0
2. 1
3. $10x^4+16x+1$
4. $49x^6+40x^4+3x^2+2x-1$
5. $36x^2+6$