Homework Help: math

Posted by Alex on Tuesday, April 20, 2010 at 8:34pm.

For which table(s) of values in Exercises 39–42 is the relationship
linear? Tell how you decided. Write the equation for each linear
relationship.

x 5 10 15 20 25 30
y 20 30 40 50 50 50

I understand this is not linear function but what is it asking me to do next.

math - Damon, Tuesday, April 20, 2010 at 8:40pm
change in y/change in x = constant slope if linear

(30-20)/(10-5) =2

(50-50) /(30-25) = 0 which is not 2
math - Alex, Tuesday, April 20, 2010 at 8:49pm
Thank you so much

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