anonymous
  • anonymous
medal A new video game is expected to sell 120 copies the first hour at a local game store. After that, the sales will follow the function s(x) = 15(x − 1) where x is the number of hours. What is the function that shows total sales, including the first hour?
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
answer choices s(x) = 15 (x-1) -120 s(x)= 120x-15 s(x) = 120 +15 (x-1) s(x) = 120-15(x-1)
DJJo
  • DJJo
So the function starts with : s(x) = 120 + ( I put a + after 120 because we know that there are following sales after the first hour ). Then, the sales are s(x) = 15 (x-1). So this is the second part of your function. So what's the answer?
anonymous
  • anonymous
C

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DJJo
  • DJJo
That's right. Do you understand now?
anonymous
  • anonymous
yes but can you help me with another question
DJJo
  • DJJo
Sure
anonymous
  • anonymous
Neil is analyzing a quadratic function f(x) and a linear function g(x). Will they intersect
DJJo
  • DJJo
Did they give you table?
anonymous
  • anonymous
yes
anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
g(x) is (-1 0) (-3 1) (-5 2)
DJJo
  • DJJo
If you look at the graph and graph (-1, 0), (-3, 1), or (-5, 2) which one ends up on f(x)?
anonymous
  • anonymous
answer choices are Yes , at a point with a postive x-coordinate Yes , at a point with a negative x-coordinate Yes, at a point where x is zero No , they will not intersect
anonymous
  • anonymous
( -3,1)
DJJo
  • DJJo
That's right, so now we know that it does intersect, but where does it intersect? At zero? At a point with a negative x-coordinate? At a point with a positive x-coordinate?
anonymous
  • anonymous
at a point with a negative x-coordinate
DJJo
  • DJJo
That's right
anonymous
  • anonymous
i wish i gave u another medal
DJJo
  • DJJo
I don't care about the medals, I just like helping people
anonymous
  • anonymous
then can i ask u one final question
DJJo
  • DJJo
Of course
anonymous
  • anonymous
Which graph represents the function f(x) = log10(x − 2)
anonymous
  • anonymous
never mind the question
anonymous
  • anonymous
For an angle θ with the point (16, −30) on its terminating side, what is the value of cosine
DJJo
  • DJJo
DJJo
  • DJJo
Or to make it easier, try checking this out: http://openstudy.com/study#/updates/53c05ddce4b05c273e9be461
anonymous
  • anonymous
answer choices 16 -30 -15/17 8/17
anonymous
  • anonymous
i guess 8/17
DJJo
  • DJJo
The answer is 8/17, but I am not very familiar with cosines so if you want to understand why that is the answer click the link: http://openstudy.com/study#/updates/53c05ddce4b05c273e9be461

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