We know that According to Algebra of Real Functions :
If f and g are two real functions which are defined under the same domain then (f - g)(x) = f(x) - g(x)
Given f(x) = x² - 3x - 9 and g(x) = x - 7
⇒ (f - g)(x) = f(x) - g(x)
⇒ (f - g)(x) = x² - 3x - 9 - (x - 7)
⇒ (f - g)(x) = x² - 3x - 9 - x + 7
⇒ (f - g)(x) = x² - 4x - 2
Answer: 8
Step-by-step explanation:
5±3
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We'll never know. The shifting mists and misting shifts of time
and consciousness have blocked the lists from our vision, and
we cannot see them.
