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Mathematics 11 Online
OpenStudy (anonymous):

guys pleaseeee help me i really need it. Shane is making ramps of different lengths. The ramps are made with rectangular and square wooden boards. The relationship between the length of the ramp in feet, f(n), and the number of square boards used, n, is represented by the function below. f(n) = 6n + 10 , where 15 ≤ n ≤ 25 Which statement is correct about the range of the length of the ramp for the given domain? It varies from 100 to 160. It varies from 100 to 150. It varies from 90 to 150. It varies from 15 to 160.

OpenStudy (amistre64):

it s linear equation, so just plug in the endpoints of the interval

OpenStudy (anonymous):

so wat would it be

OpenStudy (amistre64):

what are you having difficulties with; the multiplying or the adding???

OpenStudy (anonymous):

everything

OpenStudy (amistre64):

i dont really have the time nor the capacity to teach you "everything"

OpenStudy (amistre64):

range should cover the values of the lowest to highest points. In a linear function those should correspond to the end points of the domain for the most part

OpenStudy (amistre64):

plug in the values for the endpoints of your domain to determine the range

OpenStudy (anonymous):

so wat would the answer be

OpenStudy (amistre64):

depends on how much effort your going to put into it; but if you keep just asking for the answer; im going to simply suspend you from the site ... this isnt a free answering service.

OpenStudy (anonymous):

ok so im saying it would be It varies from 100 to 150

OpenStudy (amistre64):

we can test that

OpenStudy (anonymous):

ok lets do it

OpenStudy (amistre64):

when n=15; we should be able to solve 6*15 + 10 and see if we get 100

OpenStudy (amistre64):

and also; when n=25 then 6*25 + 10 should equal 150 if your correct

OpenStudy (amistre64):

what is 6*15?

OpenStudy (anonymous):

so its incorrect

OpenStudy (anonymous):

ohh so its " It varies from 100 to 160"

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