# Function Mapping Diagrams

Algebra

### Function Mapping Diagrams

Could someone please show me how to solve this problem?

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### Re: Function Mapping Diagrams

Here are 2 equations

$-4 = a*(-1)^2 + b*(-1)$

$8 = a*1^2 + b*1$

You can write 3 ones just replace x with -1, 1, 2 and f(x) with the corresponding value i.e.: -4, 8, 20

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