Answer:
Two subsets that form set of real numbers
You can take positive numbers and negative numbers subset
One subset become (- infinity,0]
other subset (0, infinity)
Answer:
3.b

i hope question 3.a. is 5^x ÷ 5^-3 = 5^5
3.a.

Sorry if my writing is sloppy
Answer:
12.5
Step-by-step explanation:
f of x just means y, so you're just finding y when x = 1/2
Answer:
A. I guess
Step-by-step explanation:
not really sure