Answer:

Step-by-step explanation:
Recall that the notation:
is the same as:
which means the value of the function f when you give it as input the value obtained by evaluating g(12).
Therefore, we need to start finding what g(12) is using the definition :
and evaluating it as x = 12.

So now we use this answer "2" as input for f(x):

Therefore, 
Answer:
I believe the top one is true! I'm sorry I couldn't answer them all :c
Step-by-step explanation:
The results are biased.
When you go to a particular sporting event and ask someone their favorite sport, they are more likely to respond the sport that they're watching at that moment. This creates bias.
Answer:
195 sq cm
Step-by-step explanation:
15 x 15 = 225
----------------------
3(8) + 2(3) = 30
----------------------
225 - 30 = 195 sq cm
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