A401(k) plan is a type of

a. health insurance plan
b. retirement plan
c. vacation plan
d. life insurance plan

B. Retirement plan.

Step-by-step explanation:

We have been given an incomplete sentence. We are supposed to complete the given sentence from the given choices.

Sentence:

A 401(k) plan is a type of .

We know that 401(k) is a retirement savings plan which is sponsored by the employer.

In this plan an worker can save an amount of his salary before taxes are taken out. The taxes are paid, when the money is withdrawn from the account.

Therefore, the correct expression that will complete our given sentence is 'retirement plan' and option B is the correct choice.

Table A

Step-by-step explanation:

A relation that does not repeat a input is a function.

Table A's inputs are:

{5,7,8}

The inputs do not repeat, so they are a function.

Tables B, C, and D have at least one input repeating, so they are not functions.

Brainilest appreciated.