Question

how do you differentiate a function such as y= l t-3 l (having an absolute value)

Answer 1

y = [(t-3)^2]^(1/2)

Answer 2

differentiate that..

Answer 3

Use the chain rule.

Answer 4

y' = 1/2 [(t-3)^2]^-1/2 * 2(t-3)....whew! am i right

Answer 5

bahrom is this leading me back to my question?

Answer 6

thats the answer

Answer 7

basically for absolute value u want to make sure it is positive right, so squaring and taking the square root will make sure the derivative is positive..

Answer 8

I get it! Thank you!

Answer 9

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