The given formula above, y = -x, is a sample of a function. A function is an equation that would give only one value of y for every value of x. This is the same as saying that exactly one output is set by each input. If we take x = -1, the value of y is 1 and nothing else.
150were not accepted I think I’m not that sure
Answer: 25%
Step-by-step explanation:
1/4 of 100 is 25.
100/4 is 25
A function has only one output (y) for every input (x). Easy way to identify a function on a graph is by the vertical line test. Imagine a vertical line going through the function, if the imagined line can go through exactly once, it's a function. (The top one is a function, the bottom is not.)
The Answers would be A for the first one and D for the second
