Answer:
4ft
Step-by-step explanation:
As we know area of a square is side*side
side*side = 16^2
side=√16ft^2
side=4ft
Using the function concept, it is found that:
- The 1st graph is not a function.
- The 2nd and the 3rd graph are functions.
<h3>What is a function?</h3>
- In a <em>function</em>, <u>one value of the input can be related to only one value of the output</u>.
- In a graph, it means that for each value of x(horizontal axis), there can only be one respective value of y(vertical axis), that is, there cannot be point that are aligned vertically.
In this problem:
- On the <em>first </em>graph, there are points that are aligned vertically, for example, when x = -2, y = -2 and y = 2, hence, it is not a function.
- On the <em>2nd and on the 3rd graph</em>, there are no points aligned vertically, hence, they are functions.
To learn more about the function concept, you can take a look at brainly.com/question/12463448
Answer:
0.78
Step-by-step explanation:
0.78 is 25% of 3.12
to check just multiply 0.78 by 4
0.78*4=3.12
Answer:
36%
Step-by-step explanation:
9÷25
