anonymous
  • anonymous
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 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)
Mathematics
schrodinger
  • schrodinger
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anonymous
  • anonymous
help please i give medals :)
anonymous
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Please help me :((((
triciaal
  • triciaal
f(x) plot the points use any 2 points find the slope change in y/ change in x g(x) given y = m x + b the slope is m
triciaal
  • triciaal
compare the slopes means compare the 2 numbers approved sentence: the slope of "this function" is greater than (or less than) the slope of "that function".
triciaal
  • triciaal
Part B y-intercept occurs when x = 0 find the y value when x = 0 for each function look at the 2 values which is greater
madhu.mukherjee.946
  • madhu.mukherjee.946
yeah triciaal is correct
anonymous
  • anonymous
im a still a little confused on part A i don't understand how to solve to functions @triciaal
anonymous
  • anonymous
triciaal
  • triciaal
|dw:1438875626046:dw|
anonymous
  • anonymous
there are three plots so which do two do i use @triciaal
madhu.mukherjee.946
  • madhu.mukherjee.946
once again tell me the values of f(x) and g(x)
anonymous
  • anonymous
x f(x) −1 −11 0 −1 1 9 g(x) g(x) = 5x + 1
anonymous
  • anonymous
wait nvm i understand know thanks
anonymous
  • anonymous
but could you help with another question
madhu.mukherjee.946
  • madhu.mukherjee.946
are you asking me?
anonymous
  • anonymous
yes both of you :)
madhu.mukherjee.946
  • madhu.mukherjee.946
ok:)
madhu.mukherjee.946
  • madhu.mukherjee.946
say and let me see i f i can
anonymous
  • anonymous
The table below represents the distance of a car from its destination as a function of time: Time (hours) x Distance (miles) y 0 900 1 850 2 800 3 750 Part A: What is the y-intercept of the function, and what does this tell you about the car? (4 points) Part B: Calculate the average rate of change of the function represented by the table between x = 1 to x = 3, and tell what the average rate represents. (4 points) Part C: What would be the domain of this function if the car traveled the same rate until it reached its destination? (2 points)
madhu.mukherjee.946
  • madhu.mukherjee.946
i' m sorry darling probably i cannot ask tricial
anonymous
  • anonymous
ok thanks anyways :)
madhu.mukherjee.946
  • madhu.mukherjee.946
your welcome
anonymous
  • anonymous
@triciaal can you help?
anonymous
  • anonymous
anonymous
  • anonymous
anonymous
  • anonymous
anonymous
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anonymous
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anonymous
  • anonymous
can you help me?
triciaal
  • triciaal
sorry I was away
triciaal
  • triciaal
|dw:1438882790573:dw|
triciaal
  • triciaal
Part A y-intercept when x = 0 look at the graph when x = 0 y = 900 y is the distance of a car away from its destination
triciaal
  • triciaal
part B average rate of change of the function this is the change in distance with time change in distance y2-y1 change in time x2 - x1 see this is the same as the slope of the line? between x = 1 and x = 3
triciaal
  • triciaal
|dw:1438883389612:dw|
anonymous
  • anonymous
would it be 2?
triciaal
  • triciaal
change in distance with time is the speed how many miles in what time
triciaal
  • triciaal
x2 -x1 = 2 yes but you need to plug in the y values (from the table) then do all of the computation
triciaal
  • triciaal
Part C the domain is the set of x-values that satisfies the function
triciaal
  • triciaal
the question is asking first to find when y = 0 what is the value of x and then state the values of x in set notation
anonymous
  • anonymous
I'm sorry but this is all confusing part b and c
triciaal
  • triciaal
|dw:1438883984365:dw|
triciaal
  • triciaal
you really need to read the responses then let me know what your question is
anonymous
  • anonymous
ok
triciaal
  • triciaal
start here |dw:1438884361237:dw|
anonymous
  • anonymous
50/2= 25 is this right?
triciaal
  • triciaal
sign
anonymous
  • anonymous
sign?
triciaal
  • triciaal
|dw:1438884802974:dw|
anonymous
  • anonymous
oh i put the y values backwards and what does this represent?
anonymous
  • anonymous
the -50
triciaal
  • triciaal
read the response above ! what is the graph about ?
anonymous
  • anonymous
the distance a car is from its destination but thank you I got it now :) thanks for all your help i appreciate it!
triciaal
  • triciaal
rate is the speed at which it is travelling 50 miles in one hour you are welcome
anonymous
  • anonymous
thanks again have a nice day bye! :)
triciaal
  • triciaal
you too

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