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Use the following functions to answer the questions
1) If f(x) = (x - 3)² and g(x) = (5 - x)² What is (f - g) (x)?
4x – 26
4x – 16
4x – 10
4x + 16
1/10
Solution
Answer:
4x – 16
Explanation:
(f - g) (x)
= (x - 3)² - (5 - x)² = (x² - 6x + 9) - (25 - 10x + x²)
= x² - 6x + 9 - 25 + 10x - x² = 4x – 16
= 4x – 16
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