If a graph fails the vertical line test it's not a function; you can't have a single x map to two ys.
Vice versa, if the graph passes the verticle line test, it's a function.
The horizontal line test tests for injectivity aka one-to-one-ness; it has no bearing on whether something's a function.
Answer: 64 units
Step-by-step explanation:
Remember, the formula to find surface area given radius is
. Let's add in the given information:
4pi4^2 =
4pi16
64pi!
Hope this helps, please consider making me Brainliest.
Answer:
it c
Step-by-step explanation:
Ur answer will be - A≈69.65cm².
<u><em>Hope this helps!!</em></u>