Homework Help: Math

Posted by marion on Sunday, November 29, 2009 at 11:25am.

F(x) = 5(x)^2 + 4

F(5) and F(2)
f(5)=5(5)^2+4
f(5)=5(25)+4
f(5)=125+4
f(5)=129

f(2)=5(2)^2+4
f(2)=5(4)+4
f(2)=20+4
f(2)=24

Math - drwls, Sunday, November 29, 2009 at 12:19pm
Those are correct. Is that what you wanted to ask?
Math - marion, Sunday, November 29, 2009 at 12:37pm
yes and thank you
Math - Anonymous, Sunday, November 29, 2009 at 4:01pm
The speed of a bicyclist is 10mph faster than the speed of a walker. If the bicyclist travels 26 miles in the same amount of time that the walker travels 6 miles. Find the speed of the bicyclist.

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