Which is equivalent to what i out as the picture?

B. second option

1.215^1/5(x)

Step-by-step explanation:

√a = a^1/2

So

5th root (1215)^5 = 1,215^x/5

Answer :

B. second option

1.215^1/5(x)

Input Variable: Number of chores

Output Variable: Earnings

Step-by-step explanation:

Given

Earnings = $3 per chore

Required

Determine the input and the output variables

The given parameter

Earnings = $3 per chore

i.e.

If he does 1 chore, he earns $3

If he does 2 chores, he earns $6

If he does 3 chores, he earns $9

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If he does n number of chores, he earns $3n

So, we can conclude that:

His earning is dependent on the number of chores.

The keyword dependent shows that:

Input Variable: Number of chores

Output Variable: Earnings