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Andrej [43]
3 years ago
13

Use the function to answer the question.

Mathematics
2 answers:
tekilochka [14]3 years ago
7 0

Answer:f(4)= 12

Step-by-step explanation:

Treat f(x) as y, y=2x + 4, y=12

m_a_m_a [10]3 years ago
3 0

Answer:

x = 0

Step-by-step explanation:

Given f(x) = x² + 4 and f(x) = 4, then equating

x² + 4 = 4 ( subtract 4 from both sides )

x² = 0 , thus

x = 0

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