### Related Rates Test: Function dy/dt on TI-89

### Raw Transcript

Hello gang Tom from EveryStepCalculus.com

gonna do a related rates problem again

Gonna do a little bit more difficult function let’s get started index eight to get to my

menu

and scroll up to get the bottom

r is closer to z than it is to a then you want related rates, there it is

and we’re doing a function so we’re going to choose number three

We’re going to enter our function press alpha

4 times x

cubed

plus 2 times x

squared

Now we show you what you have entered you can change it think you made a mistake and they’re asking in this

problem

number two for dy/dt

we’re gonna choose number one here and they give you alpha

1/2 going to put in

you can put 1/2 I’m going to put in point 5 here

and that x equals

and so we go alpha 1

and I show you in case you want to change it and here’s the

what you marked down on your sheet

you’ve got 8 units here. Pretty neat huh? EveryStepCalculus.com

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related rates you can

email me that and I’ll program it for you here

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