marcelie
  • marcelie
Help Please !!!!!!! Can someone please check my work.. I dont know how find x/ y intercepts. I need help sketching it I have atatched my work in an image . :)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
Astrophysics
  • Astrophysics
To find x - intercept, simply let y = 0 and solve for x. To find y - intercept, simply let x = 0 and solve for y. Sure, upload the image.
marcelie
  • marcelie
okay. im about to uplaod image
marcelie
  • marcelie
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Astrophysics
  • Astrophysics
Almost right, looking at the x - intercept, first thing, you don't have to put base e when you put "ln" that already means it's to base e. Also, your last step is wrong, you're dividing by -1 when you should just subtract by -1 on both sides so you have \[x=e^{-6}-1 \implies \frac{ 1 }{ e^6 }-1\], your y - intercept is correct though, so good work.
marcelie
  • marcelie
oh okay. so for the x int is there a way to solve by hand . i solved it by the calculator
Astrophysics
  • Astrophysics
No, just leave it as it is, your teachers don't expect you to do know it as decimal form
marcelie
  • marcelie
oh okay. about the y intercept is there a way to solve it by hand ?
Astrophysics
  • Astrophysics
I don't really know what you mean
Astrophysics
  • Astrophysics
the y - intercept is -3
marcelie
  • marcelie
oh bc i want to solve the equation by hand for y= -1/2 ln (0+1) -3 inorder find the y int .
Astrophysics
  • Astrophysics
You already solved it for the y - intercept, you got y = 3
Astrophysics
  • Astrophysics
y=-3*
Astrophysics
  • Astrophysics
You already solved both x and y intercepts, that's what your work showed..
Astrophysics
  • Astrophysics
You just had made an error while you solved the x - intercept which I fixed for you
marcelie
  • marcelie
yes i solved it by using the calculator. but is there a way to solve it by hand instead of using the calculator
Astrophysics
  • Astrophysics
You mean the algebra...?
Astrophysics
  • Astrophysics
You should be doing that by hand
marcelie
  • marcelie
yes. that was my question. how do i solve it by hand bc i have trouble
Astrophysics
  • Astrophysics
Those are the steps you use to solve it by hand
marcelie
  • marcelie
yes that was for the x intercpt. but im asking how do i solve the y int by hand ?
marcelie
  • marcelie
|dw:1443849411183:dw|
Astrophysics
  • Astrophysics
Ah haha
marcelie
  • marcelie
yes lolz
Astrophysics
  • Astrophysics
set x = 0, and note ln(1) = 0
Astrophysics
  • Astrophysics
it's that simple
Astrophysics
  • Astrophysics
if you look at the graph, ln(1) = 0
marcelie
  • marcelie
so any thing to the 1 for ln is always 0 ?
Astrophysics
  • Astrophysics
just ln(1) = 0
marcelie
  • marcelie
oh so i just plug it into the calculator then when its ln ?
Astrophysics
  • Astrophysics
|dw:1443849650346:dw|
Astrophysics
  • Astrophysics
You don't need a calculator!
Astrophysics
  • Astrophysics
You should know that ln(1) = 0
marcelie
  • marcelie
ah okay. i barely started learning the logs yesterday z
Astrophysics
  • Astrophysics
Ah ok

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