Can someone please explain this to me. This is from my lesson but I don't understand what they did here...

Question

anonymous · Answer

attachment

anonymous · Answer

@kohai do you understand this?

anonymous · Answer

I don't understand where the 1/2 came from first of all

kohai · Answer

Yeah, I haven't gone through this in a while. I understand everything after that, it's just algebra, but I don't remember the part you're confused about too well. Sorry. :(

anonymous · Answer

It okayy..thanks for trying at least!

kohai · Answer

You're welcome, sorry I couldn't be of help

anonymous · Answer

@nelsonjedi @satellite73 @zzr0ck3r can any of you help @ihateschool18 ?

zzr0ck3r · Answer

what is the power of a power property? this is not a math term.

zzr0ck3r · Answer

$(a^b)^c = a^{bc}$ is my guess to what you are referring to..

anonymous · Answer

$$\sqrt{x}=x ^\frac{ 1 }{ 2 }$$

anonymous · Answer

Thats what I was trying to figure out @zzr0ck3r I have no clue what that property is. I tried to look it up but idk

anonymous · Answer

They are the same thing

anonymous · Answer

Ohhhhhhhh....duhhh. Now I get it

anonymous · Answer

Thank you do much @zzr0ck3r and @nelsonjedi

zzr0ck3r · Answer

the one that is $121^{x+1}=(11^2)^{x+1}=11^{2x+2}$

anonymous · Answer

I have one other question from this lesson would you guys mind helping?

anonymous · Answer

What exponential function represents the data in the table?
x	f(x)
2	25
3	125
4	625

anonymous · Answer

How would you go about solving this?

zzr0ck3r · Answer

what squared is 25
what cubed is 125
what to the 4th power is 625

zzr0ck3r · Answer

hint: they are all the same number

zzr0ck3r · Answer

put that number here $f(x) = ?^x$

zzr0ck3r · Answer

where ? is that number

anonymous · Answer

5

anonymous · Answer

So we have f(x)=$$5^{x}$$

zzr0ck3r · Answer

YES!

anonymous · Answer

Yayyyy...that actually kind of easy. Thank you so much