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Mathematics 20 Online
OpenStudy (anonymous):

the function w(x)=250x represents the number of words w(x) you can read in x minutes. how many words can you read in 8 minutes? use the function to find out how many words you can read in 6 mintues

OpenStudy (slaaibak):

Hint: substitute x=8 and x=6 in the equation

jimthompson5910 (jim_thompson5910):

Replace every x with 8 to answer the question: "how many words can you read in 8 minutes?"

jimthompson5910 (jim_thompson5910):

w(x)=250x w(8)=250*8 w(8) = ???

OpenStudy (anonymous):

2000?

jimthompson5910 (jim_thompson5910):

yep

jimthompson5910 (jim_thompson5910):

do the same for x=6

OpenStudy (anonymous):

1500

jimthompson5910 (jim_thompson5910):

yep, so in 8 min, you can read 2000 words in 6 min, you can read 1500 words

OpenStudy (anonymous):

thank you!

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