Posted by Jessica on Wednesday, December 5, 2007 at 3:44am.
d/dx x^2+3x = 2x+3
the derivative of a function f(x) is
Limit [f(x+h) - f(x)]/h
h--> 0
so derivative of x^2 + 3x =
Lim[(x+h)^2 + 3(x+h) - x^2 - 3x]/h =
h--> 0
Lim [2hx + h^2 + 3h]/h =
h--> 0
Lim [2x + h + 3\]
h--> 0
= 2x + 3
Related Questions
Calculus - Find the derivative of the function using the definition of a ...
Calculus - Any help would be much appreciated with the steps involved in each ...
Calculus (Help) - Also I would like to know how to set this problem up in ...
Calculus - Any help would be much appreciated with the steps involved in each ...
Chain Rule - Any help would be much appreciated with the steps involved in each ...
calculus - Find the derivative of the function using the definition of ...
Calculus derivatives - f(a) = a + √a (a) Find the derivative of the ...
Calculus - Find the derivative of m(x)=1/(x+1) by using the definition of the ...
math - find derivative using limit definition: f(x) = x - sqrt(x) so f'(x...
CALCULUS help! =) - find the derivative of f(x)=3x^2-x using the limit ...
For Further Reading
