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Mathematics 15 Online
OpenStudy (voltron21):

HELP ME!!!!!!! Problem attached.

OpenStudy (voltron21):

zepdrix (zepdrix):

Why is there a pi by the answer slot? +_+

OpenStudy (voltron21):

its to add equations and stuff it doesn't have to do with the problem

zepdrix (zepdrix):

Oh a tool icon? :D I see

zepdrix (zepdrix):

So the difference quotient (which we use to find the slope of a secant line) is given by:\[\Large \frac{f(x+h)-f(x)}{h}\] This is the formula you're using yes? :o

OpenStudy (voltron21):

yea and the only answer i get is 1 which is wrong.

zepdrix (zepdrix):

\[\Large f(\color{royalblue}{x})\quad=\quad \sqrt{\color{royalblue}{x}}\]\[\Large f(\color{royalblue}{x+h})\quad=\quad \sqrt{\color{royalblue}{x+h}}\]

OpenStudy (voltron21):

oh...

OpenStudy (voltron21):

you just brightened up my world

zepdrix (zepdrix):

Oh that helped? XD lol

zepdrix (zepdrix):

The colors are usually helpful hehe

OpenStudy (voltron21):

yes but when i have to look at calculus problems all day all the colors start to fade to grey

zepdrix (zepdrix):

lol

OpenStudy (voltron21):

so can i do \[\sqrt{78}-\sqrt{41}=37?\]

zepdrix (zepdrix):

It looks like we want to evaluate this at x=a=41, h=37. So plugging in the information gives us:\[\Large \frac{f(41+37)-f(41)}{37}\]

OpenStudy (voltron21):

\[\sqrt{37}*****\]

zepdrix (zepdrix):

No we can't do that I'm afraid :( Hmm

OpenStudy (voltron21):

so i cant combine them...than what am i supposed to do with them???

OpenStudy (voltron21):

then*****

zepdrix (zepdrix):

Lemme thinkkkkk... It doesn't appear that we can simplify this at all. That would just be your final answer.\[\Large \frac{\sqrt{78}-\sqrt{41}}{37}\]

zepdrix (zepdrix):

Try putting that in and see if it accepts it or not :d

OpenStudy (voltron21):

hold on lemme see if it works

OpenStudy (voltron21):

I love you. Thank you.

zepdrix (zepdrix):

yay team \c:/

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