The domain of the function is given. Find the range. f (x) = 2x - 1 Domain: {-2, 0, 2, 4} Range: {5, 1, - 3, 7} Range: {-5, 1, - 3, 7} Range: {-5, - 1, 3, 7} Range: {±5, ±1, ±3, ±7}

Question

Mathematics

Bailee Krueger

10 March, 08:29

The domain of the function is given. Find the range. f (x) = 2x - 1 Domain: {-2, 0, 2, 4} Range: {5, 1, - 3, 7} Range: {-5, 1, - 3, 7} Range: {-5, - 1, 3, 7} Range: {±5, ±1, ±3, ±7}

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Answers (1)

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Morgan Waller · Answer 1

f (x) is an increasing function

Domain is increasing series.

Therefore,

Let's look at the smallest and biggest number in domain, then substitute them into f (x) to work out the range.

=> Range {-5, - 1, 3, 7}