Answer:
f (-216) = -7
f (8) = 1
Explanation:
f (-216) is -7 because is -6 and -6 - 1 is -7.
f (8) is 1 because is 2 and 2 - 1 is 1.
Hope this helps :)
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![\sqrt[3]{-216}](https://img.qammunity.org/2023/formulas/mathematics/high-school/lcabu5uvl9uv3k9j0nsmmnp4f7uj0pulr2.png)
is -6 and -6 - 1 is -7.![\sqrt[3]{8}](https://img.qammunity.org/2023/formulas/mathematics/high-school/ofc70nsmyulwvbt3gansykub0txjitnd4n.png)
is 2 and 2 - 1 is 1.