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anonymous
 one year ago
The scatter plot below shows the relationship between the length (x), in meters, and mass f(x), in kg, of a marine animal:
ordered pairs 1, 1 and 2, 11 and 3, 21 and 4, 31 and 5, 41 and 6, 52 and 7, 65 and 8, 71 and 9, 82 and 10, 94
Which of the following functions is best represented by the scatter plot?
anonymous
 one year ago
The scatter plot below shows the relationship between the length (x), in meters, and mass f(x), in kg, of a marine animal: ordered pairs 1, 1 and 2, 11 and 3, 21 and 4, 31 and 5, 41 and 6, 52 and 7, 65 and 8, 71 and 9, 82 and 10, 94 Which of the following functions is best represented by the scatter plot?

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amistre64
 one year ago
Best ResponseYou've already chosen the best response.2and our functions are? if you can post a screenshot it may prove useful

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2also, define for us what is meant by "best".

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0f(x) = 9 − 10.3x f(x) = −10.3 + 9x f(x) = −9 + 10.3x f(x) = 10.3 − 9x

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2ok, is the slope going to be positive or negative?

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2then we can rule out 2 options at the start

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0wait no the first & last one

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2we want to keep b and c

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2so, how do we define a reasonable slope? any ideas?

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2consider that we move from 1 to 10, i change of 9 we have 2 slopes to work with in our options y/9 = 9 and y/9 = 10.3 it seem to me that y goes from 0 to about 95, which one gives us a y value closest to this?

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2a slope of 9 gets us to 81, too short, so the 10.3 has to be better

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2another sort of test, let x = 10 10.3 + 9(10) < 90 9 + 10.3(10) > 90

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2notice our point at x=10 is about 95, or greater than 90

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2if thats your pick for an answer, im going to disagree.

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2we want about 95 when x=10 what is 10.3 + 9(10) ?

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2you havent answered my question

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2or, are you saying that is what some answer key gives you? you arent being very clear to me.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0im saying that one of the answer choices i thought it was .... sorry

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2thats what i had thought you meant but wasnt sure. 10.3 + 9(10) = 79.7 dw:1432953041331:dw

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2do you see that we are not very close to where we need to be?

amistre64
 one year ago
Best ResponseYou've already chosen the best response.29 + 10.3(10) = 1039 = 94

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2so out of the 2 options f(x) = 9 + 10.3x seems to work better for us
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