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It is Given that f(x) = log₂ (x + 4), so the value of f(3) is log₂ (7) or 2.807.
<h3>What is a logarithm?</h3>When you raise a number with an exponent, there comes a result.
Let's say you get
a^b = c
Then, you can write 'b' in terms of 'a' and 'c' using logarithm as follows
'a' is called base of this log function. We say that 'b' is the logarithm of 'c' to base 'a'
Given ;
f(x) = log₂ (x + 4)
we need to find f(3)
substitute x = 3 in f(x)
f(x) = log₂ (x + 4)
f(3) = log₂ (3 + 4)
f(3) = log₂ (7)
Hence, f(3) = 2.807
Learn more about logarithm here:
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Answer: Option 'c' is correct.
Step-by-step explanation:
Since we have given that
There are two points as follows:
As we know the formula for "Two point slope form":
Now, we put the values in the above equation ,
Now, we use this form " "
So,
Hence, Option 'c' is correct.