It is given in the question that f is a one-to-one function.
And for a one-to - one function,
If

So we will get

Answer:
1.55
x
−
2.16
Step-by-step explanation:
There’s no question here!
Answer:
8
Step-by-step explanation:
Nth term of a geometric sequence is given as:
...(1)
Plugging n = 9, a = 3 and r = 2 in the above equation, we find:

... (2)
Comparing equations (1) & (2), we obtan:
(n - 1) = 8