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Aliun [14]
3 years ago
6

14. Work needed to solve the problem: April can buy a package of 10 folders for $1.20 or a package of 8 folders for $1.12. What

is the unit price per folder, in each package?​
Mathematics
1 answer:
Mars2501 [29]3 years ago
5 0

Answer:

1.20 divided by 10 =  .12 cents per folder

1.12 divided by 8 = .14 cents per folder

Step-by-step explanation:

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5 0
3 years ago
If f (x) = 5 x minus 25 and g (x) = one-fifth x + 5, which expression could be used to verify g(x) is the inverse of f(x)?
Vinil7 [7]

Answer:

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Option B is correct.

Step-by-step explanation:

We are given:

f(x)= 5x-25\\g(x)=\frac{1}{5}x+5

We need to find the expression that could be used to verify g(x) is the inverse of f(x).

We know that g(f(x))=x is inverse of function

So placing value of f(x) in g(x)

g(f(x))=\frac{1}{5}(5x-25)+5

So, the expression used to represent g(x) as inverse of f(x) is \frac{1}{5}(5x-25)+5

Option B is correct.

We can also solve to prove that g(f(x))=x

g(f(x))=\frac{1}{5}(5x-25)+5\\g(f(x))=\frac{5}{5}(x-5)+5\\g(f(x))=x-5+5\\g(f(x))=x

5 0
2 years ago
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