1. A, it is a function
2. A, it is not a function
The area of a circle is PiR^2.
Since we know the radius, 1, we can square it and then multiply it by Pi.
Your answer is 3.14, since 1^2 is 1, and 3.14 x 1 = 3.14
Answer:
D
Step-by-step explanation:
The vertical line test, can be done with a pencil, and it's very simple. You run the object in a vertical position, horizontally across the graph, and if it hits two points on the same Y-Axis, your function is actually a relation, since functions are not allowed to have two coordinates on the same line.
Answer:
the slope is 1
Step-by-step explanation: