Question

2. The number of words in a child’s vocabulary is a function of the child’s age. A typical child at the age of 20 months has a vocabulary of 300 words. At the age of 50 months, the child’s vocabulary has increased to 2,100 words. Graph the pairs of points generated from the last two sentences, where the age is the independent variable and the vocabulary is the dependent variable.
How many words would a 30-month old child know? How many words would a 40-month old child know?
How many words does a typical child learn each month from the age of 20 months to the age of 50 months? Could a graph be used to estimate how many words a 10-month old child knows? Explain.

Answer 1

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Step-by-step explanation:

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