Michael J.

04/15/16

Terah T.

asked • 04/15/16Q(x)=(x-4)^3(x-7)^5(x+3)^7

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Terah, all along the y-axis, x = 0. Plug in 0 for every x and solve for y.

Michael J.

What is the answer you ask? Several tutors here have given you the answer. The answers we give are not meant to do your homework for you, rather as instructions to the answer so you will easily be able to solve it yourself. If we give you straight answers all the time, then you will not learn anything. The job of us tutors is to help guide you, not do your homework.

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04/15/16

JOHN F. answered • 04/15/16

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Lon Mae C. provided the correct answer in his response: 2,352,442,176 <= what I got with a calculator (under the assumption that multiplication was implied in the places where Lon put * in his interpretation of the problem) Making the same assumption, I used a calculator instead of Excel, just as verification of Lon Mae C's answer.

Another interpretation of the problem:

Q(x)=(x-4)^3(x-7)^5(x+3)^7

Q(x)=(0-4)^3(0-7)^5(0+3)^7

y = -4^3(-7)^5(3)^7

y = (-4)^(-21)^15^7

y = -2.8689245168416376253408193106276e-1328

With the inherent limitations on how you can present the problem here (e.g. there is no way to share a picture of the problem so we can see it in its intended form, and the type of problem you shared does not lend itself to easy interpretation that can be expressed adequately with the available character set.

Lon Mae C. answered • 04/15/16

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As David Said you plug in x=0.

This can be easily done by using an Excel spreadsheet with your equation using (the cell G8 =0 )

=(G8-4)^3*(G8-7)^5*(G8+3)^7

=2352442176

David W.

tutor

... thus, the y-intercept (the place where x=0) is the point (0,2352442176).

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04/15/16

Michael J.

People will have more access to calculators than to computers with Excel programming.

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04/15/16

Lon Mae C.

Hey, this IS the digital age. Hi. I agree but calculators are not always as easy to plug in and retain in memory. This is an excellent resource and alternative method which is often not immediately thought of. Most libraries have free use of computers too.

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04/15/16

Lon Mae C.

By the way, if you'd like some tutoring in Excel...

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04/15/16

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Terah T.

04/15/16