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Answer:

Explanation:
In its raw form, function notation essentially represents an equation with only one unknown variable, expressed in terms of another. Thus, f(x) = x² + 7x can be expressed as
g(x) = 2x + 3
f(g(x)) = (2x + 3)²
f(g(x)) = 4x² + 12x + 9
Hope it helps :) and let me know if you want me to elaborate.
Answer:
An element is something sound in nature a compound is something with more then one specific atom and can be made or found in nature, and a mixture is a few different atoms that can be separated from each other
A! Oxidize. Hope this helps!
I am first assuming that you want the molarity of the acid. Use the formula

which is the titration formula. M is molarity (a is of acid and b is of base) and V is volume in mL (a is of acid and b is of base). Plugging in gives us

. Solving gives us