Question: let arr = [x => x + 2, x => A*x + 3, x => x - 4]; let r = arr.reduce((acc, f) =>

let arr = [x => x + 2, x => A*x +

let arr = [x => x + 2, x => A*x + 3, x => x - 4]; let r = arr.reduce((acc, f) => f(acc), 2); If we know r is 19, what's the value of A?

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