Friday

August 1, 2014

August 1, 2014

Posted by **jeff** on Monday, June 29, 2009 at 11:49pm.

can anyone please check my reasoning:

the value of the derivative of the function at x=-1 is -2, so that means the slope of the tangent line to the graph at that is a negative value so the function is decreasing at x = -1.

- calculus -
**MathMate**, Tuesday, June 30, 2009 at 12:28amCorrect!

**Related Questions**

Calculus - Determine whether or not each of the following functions is ...

Calc. checking answer - Determine whether or not each of the following functions...

Calculus - Find the intervals on which y=1/(x^2+1)^2 is increasing and ...

increasing decreasing and more - How to analytically find the intervals on which...

increasing and decreasing intervals - Have to find the intervals on which f(x...

Math-Calculus (check please) - FOr the function f(x)=x^2e^x Find the critical ...

Calculus - find the intervals where the function is increasing and the intervals...

Calculus - For y=(1/4)x^4-(2/3)x^3+(1/2)x^2-3, find the exact intervals on which...

Math(Please help) - What is the domain? Use a graphing utility to determine the...

Calculus - 1. For the function f(x)=4x^3-30x^2+4: a) Find the critical numbers ...