useMemo

It reduces memory consumption by memoizing function results
It increases memory consumption due to memoization overhead
useMemo can improve performance by reusing a cached calculation result when dependencies have not changed, but keeping that cached value and dependency list can increase memory usage. It should be used when the saved computation work is worth the memoization overhead.
It has no impact on memory usage
It depends on the number of dependencies

Question 15 of 20 in useMemo