Answer:
It is A.
Step-by-step explanation:
In function A we see that there are 2 ordered pairs with value 2 in the first position with y values 6 and 2. So this is not a function.
For this case we must find the quotient of the following expression:

Applying double C we have the following expression:

Applying distributive property to the terms within the parentheses of the numerator we have:

Thus, the quotient is given by option A
Answer:
Option A
Answer:
The answer is B, f(x)=5(2/5)^(z)
Step-by-step explanation:
I did the graphs for all of them and graph B was identical to the one in the picture.
3 because it square roots 3 to 3