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August 20, 2014

August 20, 2014

Posted by **Aaron** on Saturday, April 4, 2009 at 4:59pm.

how to solve this?

f(x)= 3x-3

g(x)= 2x-5

f(4)=?

f(5)=?

g(3)=?

g(4)=?

- Math -
**Reiny**, Saturday, April 4, 2009 at 5:08pmmake a table of values for x and y

(f(x) is really y,

f(x) = x^2 is the same as y = x^2

x y

0 0

1 1

2 4

3 9

-1 1

-2 4

-3 9

graph these points, they should give you a good outline of the curve.

for something like

f(x) = 3x - 3

then f(4) = 3(4)-3 = 9

wherever I saw an x, I subbed in a 4

you can now do the rest

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