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zubka84 [21]
3 years ago
6

I need help with:

Mathematics
1 answer:
lutik1710 [3]3 years ago
7 0

Answer:

7(x+3) or 7x+21

Step-by-step explanation:

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Step-by-step explanation:

<u>Evaluating Functions</u>

Given a function y=f(x), evaluate the function for x=a means substituting the variable for the given value.

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\boxed{f(-1)=19}

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