Answer: The required value of f(3) is 81.
Step-by-step explanation: We are given the following function :

We are to find the value of f(3).
Substituting x = 3 in equation (i), we get

Thus, the required value of f(3) is 81.
Convert mixed number to improper fraction:

Answer:
63
Step-by-step explanation:
9x7=(10x7)-1x(7)
=70-7
=63
Answer:
The answer is 2
Step-by-step explanation:
Answer:
0.2
Step-by-step explanation:
600/60 = 100
12/60 = 0.2