Answer:
81x² - 81
Step-by-step explanation:
Step 1: Write expression
(9x - 9)(9x + 9)
Step 2: Expand by FOIL
81x² + 81x - 81x - 81
Step 3: Combine like terms
81x² - 81
<h3>Composite functions</h3>
When a function is substituted into another function it is known as a composite function.
<u>Given the following functions:</u>
f(x) = 4x + 3
g(x) = x - 2
Determine
1) Determine the value of
2) For the function
3) For the value we need to determine
4) For the function
learn more on composite functions here: brainly.com/question/10687170
50,000 is 45,122 rounded to the nearest ten thousands