anonymous
  • anonymous
The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −9 0 −1 1 7 g(x) = 3x − 2 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)
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
please help
anonymous
  • anonymous
computer the slope of f(x)
anonymous
  • anonymous
@jenny1994 computer?

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anonymous
  • anonymous
compute*
anonymous
  • anonymous
@jenny1994 i don't know how to find the slope without the graph
anonymous
  • anonymous
\(m=\dfrac{y_2-y_1}{x_2-x_1}\) take any 2 points
anonymous
  • anonymous
so the first two on the table
anonymous
  • anonymous
so we have \((x_1,y_1)=(−1 −9)\\ (x_2,y_2) =(0, −1)\) plug and play
anonymous
  • anonymous
10?
anonymous
  • anonymous
8 You can also look at the table. y goes up by 8 units with every 1 x unit if you want the work, |dw:1435690120022:dw|
anonymous
  • anonymous
oooh
anonymous
  • anonymous
do you know the slope of g(x)?
anonymous
  • anonymous
3/1 ?
anonymous
  • anonymous
or 3
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) right, so the question wants us to compare them. what does that mean?
anonymous
  • anonymous
just show that the slope of f(x) is bigger?
anonymous
  • anonymous
would i put the steps we did as the answer or just type 8>3
anonymous
  • anonymous
definitely put the steps, and show how you got the slope using the slope formula. otherwise you're going to lose points unnecessarily then after that, put the slope of g(x) and then I guess it's enough to say 8>3 how about part B
anonymous
  • anonymous
okay thanks and same thing but with y-intercept?
anonymous
  • anonymous
so when you're given an equation of the form y=mx+b what is the y intercept?
anonymous
  • anonymous
also conceptually what IS the y intercept?
anonymous
  • anonymous
ok so the y intercept is the point where x=0 so when we have equations like \(y=5x+3\) the slope is 5 and the y-intercept is 3
anonymous
  • anonymous
so for f(x), you can just look at the table for when x=0 and find the y intercept
anonymous
  • anonymous
and for g(x) replace x with 0 and solve to find y
anonymous
  • anonymous
ooooh okok i understand it better
anonymous
  • anonymous
post what you get here so I can check your work
anonymous
  • anonymous
how do i do that
anonymous
  • anonymous
what do you mean?
anonymous
  • anonymous
how can i post my work
anonymous
  • anonymous
oh just type what you get
anonymous
  • anonymous
oooh okay give me a minute

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