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September 18, 2014

September 18, 2014

Posted by **marc** on Wednesday, January 13, 2010 at 3:18pm.

- algebra -
**Damon**, Wednesday, January 13, 2010 at 3:48pmc = f(d) = m d + b

3 = m (3) + b

4.8 = m (6) + b

subtract

-1.8 = -3m

m = 1.8/3 = .6

find b

3 = .6 (3) +b

b = .4(3) = 1.2

so

c = .6 d + 1.2

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