What do I need to do first?

- anonymous

What do I need to do first?

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- anonymous

##### 1 Attachment

- anonymous

if you cant open the file, let me know please

- anonymous

https://www.mathclass.org/WebPages/Homes/afdee97c-a004-478a-bc1f-0aafdd1b6bb2/hws/set6_S11/myplot4.png

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## More answers

- Hero

0

- anonymous

The graph of the function f(x) is given above. Find f'(1/2).

- Hero

f'(1/2) = 0

- anonymous

can you explain please

- anonymous

i dont see why

- anonymous

It is not 0

- anonymous

answer is not zero

- anonymous

Intercepts are not clear
Slope is constant i.e f'(x) is constant

- anonymous

?

- Hero

Yeah, it's not zero

- anonymous

Ans is (y-intercept/x-intrecept)

- anonymous

which intercepts?

- anonymous

x and y

- anonymous

yes i know, but at which point

- anonymous

?

- Hero

Sorry, you're right, it's not zero. What you have to do is find the slope of the line first. The slope of the line = the derivative.

- anonymous

thats what i was thinking too

- anonymous

its not

- anonymous

we have to do more than find the slope dont we?

- Hero

(8-4)/(1-.25) = 4/(3/4) = 16/3
If that's not it then I don't know what is..

- anonymous

no its not

- Hero

:/

- Hero

you typed 16/3 ?

- anonymous

yes

- anonymous

i think its 3/1 so 3

- anonymous

but its not

- anonymous

rise over run

- Hero

I just looked over the graph, the lines don't match up the way I thought they did. This question is pretty whack.

- anonymous

haha

- Hero

Are you still trying to find the answer to it? I want to give it one last shot

- anonymous

yes i am lol

- Hero

Try 12.5

- anonymous

nope

- anonymous

not the answer

- Hero

3.125
Try that

- Hero

If that isn't it, I quit

- anonymous

its not. thanks for trying to figure it out though.

- Hero

Ridiculous

- anonymous

the answer is 5. i figured it out.

- Hero

What did you do? Keep guessing until you got it?

- anonymous

no

- anonymous

did rise over run

- anonymous

i did it wrong at first

- anonymous

it goes up by 5 and over 1

- anonymous

5/1 = 5

- Hero

How'd you figure that out?

- anonymous

i have notes from class

- Hero

Actually, that's a shortcut way to do it. I remember now that you're supposed to use the x and y intercepts to do it if it crosses both axes. The x intercept = .6
The y intercept = 3
So the slope is rise/run = y/x = 3/.6 = 5
I completely bombed this question.

- anonymous

at least you tried, thanks

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