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Mathematics 4 Online
OpenStudy (anonymous):

HELP PLEASE GRAPHS

OpenStudy (anonymous):

OpenStudy (anonymous):

@alias

OpenStudy (anonymous):

the function is positive, so do you know the general shape of this function?

OpenStudy (anonymous):

no :/

OpenStudy (anonymous):

@alias

OpenStudy (anonymous):

if not, just plot a few points to see the general shape of your equation. This should be the easiest way to see the answer

OpenStudy (anonymous):

for example, try plugging in x = 1 or something to figure out what coordinates you should have, then compare it with these graphs to see which one is right

OpenStudy (anonymous):

A

OpenStudy (anonymous):

nope, if you plug in 1 for x, you get a positive Y The graph doesn't show that...

OpenStudy (anonymous):

OpenStudy (anonymous):

D correct

OpenStudy (anonymous):

yup :)

OpenStudy (anonymous):

yayy! :D

OpenStudy (anonymous):

@alias

OpenStudy (anonymous):

same thing, just test a few points to see which one fits

OpenStudy (anonymous):

test it at x=0, to see what your y is. That should already eliminate two answers

OpenStudy (anonymous):

Then test at some other points

OpenStudy (anonymous):

OpenStudy (anonymous):

B

OpenStudy (anonymous):

should be a

OpenStudy (anonymous):

and btw, are you using a graphing software? If it's the case, then you should really try it without... It'll help you understand these things better

OpenStudy (anonymous):

just do like I said, just test and plot a few points to see if it correspond to the graph, if not then reject that answer. Work by elimination till you get the only one graph that works

OpenStudy (anonymous):

calculator, and alright okay thanks for tips :-)

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