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5. GROCERIES A local grocery store sells grapes for $1.99 per pound. Determine whether the function that models the cost of grapes is discrete, continuous, or neither discrete nor continuous. Then state the domain and range of the function.

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The range is the cost, which cannot be negative, so the range is x ≥ 0.


The domain is the number of pounds of grapes, which cannot be negative, so the domain is y ≥ 0.


The domain is the number of pounds of grapes, which cannot be negative, so the domain is x ≥ 0.


The range is the cost, which cannot be negative, so the range is y ≥ 0.


Because customers can purchase any number of pounds of grapes, the function is continuous.



Answer :

The domain is; D: {0, 1, 2, 3, 4.....}

The range is : R: {0*$1.99. 1*$1.99, 2*$1.99, ...}

What is the Range and Domain of the Function?

We are given that the price, per pond of grapes, is $1.99.

Now, the function that models the cost of grapes is:

C(x) = $1.99x

Where;

x is the number of pounds that you buy.

Here we can assume that;

The grapes are already in bags, so x can be only whole numbers, as x can take only whole numbers, the cost c(x) will be discrete because there are a lot of possible costs that are not accessible.

Thus, the domain is; D: {0, 1, 2, 3, 4.....}

The range is : R: {0*$1.99. 1*$1.99, 2*$1.99, ...}

Read more about Range and Domain at; https://brainly.com/question/2264373

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