Answer:
First one: Function
Second one: not a function (a function cannot have two outputs)
Third one: Function
Last one: Not a function (doesn't pass vertical line test)
Step-by-step explanation:
Hope it helps!
The first one is a function.
The second one is not a function.
The third one is a function.
The fourth one is not a function.
Multiply the fraction by 100%.
c
it is non real if x²-36<0
x²<36
|x|<6
so -6<x<6
ANSWER!
Number 1: t=8m
Number 2: 2.50d=x
