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2 answers:
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Answer:
$1.54 per pound
Step-by-step explanation:
The
pound bag of yarn costs $5.25.
To find the unit rate, we divide 5.25 by
To the nearest tenth,each pound costs $1.54 to the nearest cent.
This is what we call the unit rate. The rate per pound.
Answer:
(d) f(x) = log₆(x)
Step-by-step explanation:
If we use y in place of f(x), we see that ...
x = 6^y
Taking logs of both sides, we get ...
log(x) = y·log(6)
y = log(x)/log(6)
y = log₆(x) . . . . . . . using the change of base formula
f(x) = log₆(x)
_____
Or you can get there more directly using the relation between logs and exponentials: