(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

- anonymous

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- anonymous

@ganeshie8 ???? help please) @dan815 @mathmath333 i really need help

- ganeshie8

what is the question ?

- 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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## More answers

- anonymous

@ganeshie8 u see the questions?

- ganeshie8

Yes, given two points, do you know how to find the "slope" ?

- anonymous

no really

- anonymous

:/

- ganeshie8

I don't seem to remember either, see if you can find it in your notes quick

- anonymous

let me see

- anonymous

i have a example, u wanna see?

- ganeshie8

Got it, here it is :
|dw:1437080189150:dw|

- ganeshie8

x f(x)
−1 −11
0 −1
1 9

- anonymous

oh ok

- ganeshie8

You may take any two points to find the slope, maybe simply take the last two points :
(0, -1) and (1, 9)

- ganeshie8

plug them in slope formula

- anonymous

ok one sec

- ganeshie8

|dw:1437080381788:dw|

- anonymous

thats what i did

- ganeshie8

|dw:1437080436733:dw|

- 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

i need to find? the slope of g(x)?

- 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

oh

- 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

slope of the line \(g(x) = \color{red}{5}x+1\) is \(\color{Red}{?}\)

- anonymous

6 or

- anonymous

x=-1/5

- 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

so which function has greater slope, f(x) or g(x) ?

- anonymous

i think its F(X)?

- ganeshie8

what do you mean by "i think", are you not sure ?

- anonymous

im not sure,

- anonymous

but im asking you if im right?

- ganeshie8

we have worked both the slopes just now
slope of f(x) = 10
slope of g(x) = 5

- ganeshie8

are you really saying, you're not sure which of those two numbers is big ?

- anonymous

F(x)=10

- anonymous

sorry for that

- ganeshie8

you should say, the function f(x) has larger slope compared to the slope of g(x)

- ganeshie8

looks we're done with partA
for partB, what do you know about y intercepts ?

- anonymous

part A: slope of f(x) = 10?

- ganeshie8

you need to explain how you got 10 showing steps

- anonymous

And for part b, a i don't know thats why i'm asking here on this wb

- anonymous

oh okay

- ganeshie8

first finish off part A

- anonymous

so for part B?

- anonymous

thank you @ganeshie8

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