The answer is A.
Ordered pairs that equate to a function would not have two separate points with the same x-value. In other words, every x-value must be associated with only one y-value.
The total change in the water in the pool after 2 1/2 hours given the rate of leakage is -3 1/8,
<h3>What are fractions?</h3>
A fraction is a non-integer. It is made up of numerators and denominators. A mixed fraction is made up of a whole number and a proper fraction. An example is 2 1/2.
<h3>What is the total change in the water?</h3>
The total change in the water = -1 1/4 x 2 1/2
= -5/4 x 5/2 = -25/8 = -3 1/8
To learn more about multiplication of fractions, please check: brainly.com/question/1114498
See that remainder in the lower, right hand corner of this array? It's 2. That is the value of f(-2).
<h3>Zara earned $ 134 on friday including commission</h3>
<em><u>Solution:</u></em>
Given that,
zahra earns $80 each day plus a 6% commission on her sale at an appliance store
zahra has $900 in sales
<em><u>Find the commission amount</u></em>
commission amount = 6 % of 900

Zara earnings including commission amount = 80 + 54 = 134
Thus Zara earned $ 134 on friday including commission