Point A shows that she is incorrect.
With functions, you can perform the "straight line test through each point. If the line goes through both points, you know it's not a function.
If we plotted point A, it'd fail the straight line test because the given point (-6, 7) already has -6 as an x value.
Hope this helps!
Answer:
It's 10
Step-by-step explanation:
10 can be divided by five and 5 can also be divided by five and it's the least number that can be divided by five.
Answer:
d
Step-by-step explanation:
Using the Cosine rule to find ∠ A
cosA = 
= 
= 
=
, then
∠ A =
(
) ≈ 84.9° ( to 1 dec. place )
Answer:
D) - 24/ -3
Step-by-step explanation:
Because a negative over a negative gives me a positive, its different from the others which are all negative
53,445,912. This answer is correct, as I did it by calculator. Good luck!