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Diano4ka-milaya [45]
2 years ago
15

A flat fee of $15.25 plus $3.45 per pound of supplies ordered is added to the bill to cover the shipping cost.The teacher budget

s $49.75 for the shipping cost.Which list of values best represents the entire domain for shipping, f(x), as a function of the number of whole pounds of school supplies the teacher can order, x?
Mathematics
1 answer:
likoan [24]2 years ago
8 0

The domain of a function is the set of possible <em>input value</em>, the function can take.

The domain is [0,10]

The given parameters are:

Flat\ Fee = 15.25

Rate = 3.45

So, the function f(x) is:

f(x) = Flat\ Fee + Rate \times x

f(x) = 15.25 + 3.45 \times x

f(x) = 15.25 + 3.45x

Because x represents the <em>number of orders</em>, the value of x cannot be negative.

The teacher budgets $49.75.

This means that: f(x) = 49.75

So, we have:

49.75 = 15.25 + 3.45x

Collect like terms

49.75 - 15.25 = 3.45x

34.5 = 3.45x

Divide both sides by 3.45

10 = x

Rewrite as

x = 10

Hence, the domain is [0,10]

Read more about domains at:

brainly.com/question/21853810

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