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Mathematics 8 Online
iuytyuioiuytyuiop:

math problem

iuytyuioiuytyuiop:

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iuytyuioiuytyuiop:

@AZ

snowflake0531:

Put 2x+1, into the x of 3-x

iuytyuioiuytyuiop:

g(2x+1)=3-x

AZ:

\( \color{red}{f(x)} = \color{red}{2x+1}\) \( g(\color{red}{f(x)}) = g(\color{red}{2x+1})\) and since \(g(\color{orange}{x}) = 3 - \color{orange}{x}\) just replace that red 2x+1 with the orange x so you can calculate g(2x+1)

iuytyuioiuytyuiop:

g(2x+1)=3-x whats next?

AZ:

no, it doesn't equal to that g(x) = 3 - x g(2x+1) means you replace that x with 2x+1

AZ:

so 3 - ( )

snowflake0531:

Kinda like x=2x+1

iuytyuioiuytyuiop:

g(2x+1)=3-

snowflake0531:

Yes, 3 minutes what 3-, f(x)

iuytyuioiuytyuiop:

im not sure

iuytyuioiuytyuiop:

im not sure

snowflake0531:

n(x) = x-1 h(x) = x+2 n(h(x)) (x+2)-1 Do you see that the x+2, replaced the x? in n(x)

iuytyuioiuytyuiop:

n and h?!

snowflake0531:

I was giving an example._.

snowflake0531:

So, in this 3-f(x) what is f(x)

iuytyuioiuytyuiop:

2x+1

snowflake0531:

So 3 minus all that, but remember the parenthesis._.

iuytyuioiuytyuiop:

3-(2x+1)

snowflake0531:

yep, now simplify that

iuytyuioiuytyuiop:

-2x+2

snowflake0531:

Yea

iuytyuioiuytyuiop:

thanks

snowflake0531:

yw

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