anonymous
  • anonymous
(GIVE A FAN AND MEDAL) The table below represents a linear function f(x) and the equation represents a function g(x). x f(x) −1 −11 0 −1 1 9 g(x) g(x) = 5x + 1
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
@ganeshie8 ???? help please) @dan815 @mathmath333 i really need help
ganeshie8
  • ganeshie8
what is the question ?
anonymous
  • anonymous
Part A: Write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) Part B: Which function has a greater y-intercept? Justify your answer. (4 points)

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anonymous
  • anonymous
@ganeshie8 u see the questions?
ganeshie8
  • ganeshie8
Yes, given two points, do you know how to find the "slope" ?
anonymous
  • anonymous
no really
anonymous
  • anonymous
:/
ganeshie8
  • ganeshie8
I don't seem to remember either, see if you can find it in your notes quick
anonymous
  • anonymous
let me see
anonymous
  • anonymous
i have a example, u wanna see?
ganeshie8
  • ganeshie8
Got it, here it is : |dw:1437080189150:dw|
ganeshie8
  • ganeshie8
x f(x) −1 −11 0 −1 1 9
anonymous
  • anonymous
oh ok
ganeshie8
  • ganeshie8
You may take any two points to find the slope, maybe simply take the last two points : (0, -1) and (1, 9)
ganeshie8
  • ganeshie8
plug them in slope formula
anonymous
  • anonymous
ok one sec
ganeshie8
  • ganeshie8
|dw:1437080381788:dw|
anonymous
  • anonymous
thats what i did
ganeshie8
  • ganeshie8
|dw:1437080436733:dw|
ganeshie8
  • ganeshie8
10 is the slope of f(x), we got that by using the slope formula. lets find the slope of g(x) also so that we can compare
anonymous
  • anonymous
i need to find? the slope of g(x)?
ganeshie8
  • ganeshie8
Yes, because PartA is asking you to find both the slopes and compare them `Part A: Write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points)`
anonymous
  • anonymous
oh
ganeshie8
  • ganeshie8
Finding slope of g(x) is easy, we can simply eyeball it. Use below : slope of the line \(g(x) = \color{red}{m}x+b\) is \(\color{Red}{m}\)
ganeshie8
  • ganeshie8
slope of the line \(g(x) = \color{red}{5}x+1\) is \(\color{Red}{?}\)
anonymous
  • anonymous
6 or
anonymous
  • anonymous
x=-1/5
ganeshie8
  • ganeshie8
Easy, slope of the line \(g(x) = \color{red}{5}x+1\) is \(\color{Red}{5}\) as i said you simply need to eyeball it
ganeshie8
  • ganeshie8
so which function has greater slope, f(x) or g(x) ?
anonymous
  • anonymous
i think its F(X)?
ganeshie8
  • ganeshie8
what do you mean by "i think", are you not sure ?
anonymous
  • anonymous
im not sure,
anonymous
  • anonymous
but im asking you if im right?
ganeshie8
  • ganeshie8
we have worked both the slopes just now slope of f(x) = 10 slope of g(x) = 5
ganeshie8
  • ganeshie8
are you really saying, you're not sure which of those two numbers is big ?
anonymous
  • anonymous
F(x)=10
anonymous
  • anonymous
sorry for that
ganeshie8
  • ganeshie8
you should say, the function f(x) has larger slope compared to the slope of g(x)
ganeshie8
  • ganeshie8
looks we're done with partA for partB, what do you know about y intercepts ?
anonymous
  • anonymous
part A: slope of f(x) = 10?
ganeshie8
  • ganeshie8
you need to explain how you got 10 showing steps
anonymous
  • anonymous
And for part b, a i don't know thats why i'm asking here on this wb
anonymous
  • anonymous
oh okay
ganeshie8
  • ganeshie8
first finish off part A
anonymous
  • anonymous
so for part B?
anonymous
  • anonymous
thank you @ganeshie8

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