Answer:
15
Step-by-step explanation:
Answer:
Yes
Step-by-step explanation:
Yes, a radical can be a rational, this is because a radical indicates the square root of a number. An example of this is = 5.
Answer:
12
Step-by-step explanation:
f(-2)=3(-2)^2
f(-2)=3(4)
f(-2)=12