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The solution to the Algebra 2 volume 2 exercise is 6.
<h3>What is algebra?</h3>
Algebra is a field of mathematics that aids in the presentation of word problems using mathematical expressions.
To construct a meaningful mathematical expression, variables (e.g. a,b, and c, etc) are combined with mathematical operations such as addition, subtraction, division, and multiplication.
From Algebra 2 volume 2 Mathematics: Chapter 12, Excercise 6, we have:
- Find f(3) in f(x) = 0.75(2)ˣ
We will replace x with (3) wherever we find (x)
- So, f(3) = 0.75(2)³
- f(3) = 0.75(8)
- f(3) = 6
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The domain of a function is the set of input values the function can take
The radical function is not given; so, I will provide a general explanation
Assume the radical function is:

The denominator of the above function cannot be negative.
So, we express the denominator as follows

Subtract 12 from both sides

Divide both sides by -2

So, the possible values of x the function can take are less than 6
Hence, the domain of the radical function is ![[-\infty,6]](https://tex.z-dn.net/?f=%5B-%5Cinfty%2C6%5D)
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Correct the sentence is correctly formatted