OpenStax, Algebra and Trigonometry 2e §13.5 Counting Principles · Exercise 13 · Combinatorics · Permutations & combinations

Counting Principles · Exercise 13

Determine whether to use the Addition Principle or the Multiplication Principle. Then perform the calculations.

Let the set $A = {- 5, - 3, - 1, 2, 3, 4, 5, 6} .$ How many ways are there to choose a negative or an even number from $A ?$

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OpenStax, Algebra and Trigonometry 2e · §13.5 Counting Principles · Exercise 13

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