when looking at a graph how do you know at which numbers c is f continuous but not differentiable?
..screen shot will b attached in a min

Question

anonymous · Answer

attachment

anonymous · Answer

picture of graph attached

zarkon · Answer

look for sharp points and vertical tangents

anonymous · Answer

its discontias at x=6 but wen im confused....is it x=4 or -4...or some other value

zarkon · Answer

4

anonymous · Answer

y is it not -4?

zarkon · Answer

looks like the derivative is about zero at x=-4

anonymous · Answer

btw wen u say look for sharp points n vertical tangents...this will show wen a line continuos but not differentiable?

zarkon · Answer

it will show when a continuous function is not differentiable

anonymous · Answer

may i link anotehr question 2 u?

anonymous · Answer