You know if something is a function or not because the X will never be used twice in a set. If it is, then it's not a function.
A. Uses -1 twice
B. Uses Nothing twice (good)
C. Uses 0 twice
D. Uses 0 twice
B is your answer
Answer:
Step-by-step explanation:
Answer:
12,495 is the answer
Step-by-step explanation:
Answer:
8 is the right answer
Step-by-step explanation:
because 40 devided by 5 is 8
Answer:
D. about 7 cm
Step-by-step explanation:
You can use the pythagorean theorem.
You have a triangle with sides of 5 and 5, so that means the third side is:

rounding:

Answer:
2.1
Step-by-step explanation: