F(1)=4,f(2)=8,f(3)=16,f(4)=32
Answer:
no diagram
Step-by-step explanation:
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Question
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x² - 49
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Form into 2 perfect squares
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x² - 7²
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Formula
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a² - b² = (a + b) (a - b)
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Apply the formula
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x² - 7² = (x + 7)(x - 7)
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Answer: (x + 7)(x - 7)
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