Let f(x) = x2 and g(x) = x − 3. Evaluate the expression.
1 answer:
Answer:
B
Step-by-step explanation:
To evaluate (f ○ g)(x)
Substitute x = g(x) into f(x), that is
f(g(x))
= f(x - 3)
= (x - 3)² ← expand using FOIL
= x² - 6x + 9 → B
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