Answer:
<u>No, it's not a function.</u>
Step-by-step explanation:
This is not a function because the x-inputs repeat. It would be a function if each x-input was a different number, but the inputs 3 and 4 repeat twice. <u>Therefore, this is not a function.</u>
This is an altitude. Shown by the right angle on the side opposite the point.
If you are trying to find the degree of f(-4) the answer is 1.
Answer:
The 39th triangle number is 780
Answer:
..........................................................the answer is 12.5
