Answer:
- 9 = f(-4)
- -3 = f(0)
- 17 = 4(4)
- -1 = f(-2)
- 3 = f(2)
Step-by-step explanation:
You want to match the given values of f(y) to the y that gives them.
Function evaluation
The attached calculator display shows the function values for -2, -4, 0, 2, 4. Comparing those to the listed values of f(y), we see the correspondence shown above.
The function is evaluated by putting the y-value where y is in the function expression and doing the arithmetic. A calculator or spreadsheet can perform this repetitive math for you, so you only have to enter the y-values once.
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