Question

Thank you very much you can help me with the others that I am uploading to my profile and there is more in case you can please

Answer 1

The second one is the answer.

Explanation:

Objective: Linear Equation Problems.

Let model the equation given to us.

Vlad spent 20 minutes on his homework already and he complete x math problems every 2 minutes so we represent this as

`y = 2x + 20`

X can be any real number greater than or equal zero because time isnt negative so anything below zero is wrong.

Y can be any real number but however since Vlad spent 20 mins on his homework already, he must spend over or equal to 20 minutes completing the total homework.

The second one is the answer

Answer 2

Answer: y = 2x + 20; x is any real number greater than or equal to 0, and y is any real number greater than or equal to 20.

Explanation:

• Because it's time, it don't have to be just integers. Seconds are fractions of minutes.
• (0,20) is the y-intercept and there will be no smaller y-values because x(time) cannot go negative.
• He goes at a rate of a problem per 2 minutes, so 2 is his slope.