Evaluate n(x) = -1 - x + 4 when x = -2, 0, and 5

Step-by-step explanation:

n(-2) = -1 -(-2) + 4 = -1 + 2 +4 = 5

n(0) = -1 -0 +4 = 3

n(5) = -1 -5 +4 = -2

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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