Question

My teacher went over this with us this morning, may someone help me again? :)

Answer 1

http://prntscr.com/dcym4e

Answer 2

i will <3 2 help u

Answer 3

ok go for it

Answer 4

d?

Answer 5

D

Answer 6

No direct answers, please. :(

Answer 7

@triciaal, may you help me? :)

Answer 8

\[ 4^{-(y+1)}=64=4^3\]
-(y+1)=3
?

Answer 9

are you learning logs? or just exponents
64 can be expressed as 4^3
rules for exponents

Answer 10

\[\left( \frac{ 1 }{ 4 } \right)^{y+1}=\left(1* 4^{-1} \right)^{y+1}=\left\{ \left( 4 \right)^{-1} \right\}^{y+1}=4^{-(y+1)}\]

Answer 11

Just exponents hahaha!!
Tkhunny was using Logarithms earlier that's what confused me. :P