https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:functions/x2f8bb11595b61c86:determining-the-domain-of-a-function/v/domain-of-a-modeling-function-example-1 2021-02-16T05:02:26Z Worked example: determining domain word problem (real numbers) Determining the domain of a function that models the height of a plant over time. video https://cdn.kastatic.org/googleusercontent/22SQCgKFHsBbsWKub2LbfCc5LbAIBJ_pWDYhad62FJ1cLMkAGv0Dg-mo1wbj8SIooEmn6S50FPtlk5ZfnliRqwVO Worked example: determining domain word problem (real numbers) Determining the domain of a function that models the height of a plant over time. https://cdn.kastatic.org/ka-youtube-converted/2DnQEaNTd08.mp4/2DnQEaNTd08.mp4 139 Determining the domain and range of a function https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:functions/x2f8bb11595b61c86:determining-the-domain-of-a-function/v/domain-of-a-modeling-function-example-2 2021-02-16T05:02:26Z Worked example: determining domain word problem (positive integers) Determining the domain of a function that models the price of candy bars. video https://cdn.kastatic.org/googleusercontent/Yl_74mBgu8dVRaEOm9q4xVc-WYEc9oKaMLr8rmaCHUjJ_SCdo9-s55rx5tqAntjvL7-XKtVoedZUzcr9K4eXQkOY Worked example: determining domain word problem (positive integers) Determining the domain of a function that models the price of candy bars. https://cdn.kastatic.org/ka-youtube-converted/AiW7syKXfJM.mp4/AiW7syKXfJM.mp4 154 Determining the domain and range of a function https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:functions/x2f8bb11595b61c86:determining-the-domain-of-a-function/v/domain-of-a-modeling-function-example-3 2021-02-16T05:02:27Z Worked example: determining domain word problem (all integers) Determining the domain of a function that models going up and down a ladder. video https://cdn.kastatic.org/googleusercontent/LVtxx1PI_BIZwpp-n6du8e0NetEyzsTFHJ9IHl36xem-Q3Od7EUdNlRGxpSkIj5OyzVeR8Y9OK33G3ZhoFny9W4z Worked example: determining domain word problem (all integers) Determining the domain of a function that models going up and down a ladder. https://cdn.kastatic.org/ka-youtube-converted/d1O54EQ1DSE.mp4/d1O54EQ1DSE.mp4 334 Determining the domain and range of a function https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:functions/x2f8bb11595b61c86:determining-the-domain-of-a-function/e/interpreting-domain 2026-04-01T14:47:54.098981944Z Function domain word problems Use information about a situation to figure out the domain of the function which models it. Tomer Gal exercise https://www.khanacademy.org/math/math-1-illustrative-math-aligned/x193529144fa1e1f6:functions/x193529144fa1e1f6:domain-range-part-1/a/function-range-word-problems 2026-01-30T19:43:41.433797171Z Function range word problems Learn how to determine reasonable range values for real-world situations. The range represents all possible outputs (or dependent values) that make sense in context. Then decide whether the range should be continuous or discrete, depending on what the function models. article