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HI!!

hi :D

\[f(x)=3x^2+2\] right?

Yeah

ok then '
\[f(2)=3\times 2^2+2\] what is that number?

I got 68

think you did the "order 'o operations" wrong
square first, then multiply

How do I square?

\(\sf 2^2 \rightarrow 2 \times 2\)

how do you square a number? multiply it by itself
so \[2^2=2\times 2\]

so it'd be f(2)=3×2x2+2?

yes what is
\[
3\times 2\times 2+2\]?

14

right
now hold on to that number

Alright

\[g(x)=x-8\] what is
\[g(2)\]?

g(2) = x - 8?

hmmm i see you are a bit confused as to how to evaluate a function

Very :/

\[g(x)=x-8\\
g(\spadesuit)=\spadesuit-8\\
g(\xi)=\xi -8\]

so how do you find \(g(2)\)?
where you see an \(x\) replace it by a \(2\)

yeah\[g(2)=2-8\]

So what's the next step?

find \[2-8\]

-6, if i'm solving from left to right

g(2) = -6?

yes it is \(-6\) no matter what you do

final step
\[f\times g(2)=f(2)\times g(2)=14\times (-6)\]

so the final answer woulds be -84?

yes

Thanks :))
Could you help me with a few more?

lol sure we can at least do one more

Sweet :)

This seems like an easy one, it's just the trouble of setting up the function I guess

it is easy
it is the last one

How did you get that?

lets do it with an item that cost $100

first take the 20% discount, multiply
\[100\times .8=80\]

so it is $80 before the tax
then put in the tax get
\[80\times 1.12=89.6\]

what did we do? first multiply by \(.8\) then multiply by \(1.12\)

ohh hold the phone for a second

i see what they want you to say, they want you to pick B

Oooh so it's B?

first do \(p\) then do \(c\) it is \[c(p(g))\]

which is kind of silly since you can do it just by multiplying, but whatever
pick B

Alright that's what I was thinking too haha, thank you. Couple more :D?

Or would you rather me open a new question to give you another best response?