Question

Dontina is ordering uniforms for her employees. The company Dontina is ordering from charges $18 per uniform and a shipping fee
of 57
Based on this information, which function can be used to represent the relationship between the total cost, c, and the number of
uniforms Dontina orders, n?
c= 7n + 18
c=7n - 18
c=18n - 7
c = 18 + 7

Answer 1

Answer: D. 18 + 7

Step-by-step explanation:

If we get 18$ and want to find the TOTAL cost it would be the last one

.

Answer 2

The linear function that represents the relationship is:

$c = 18n + 7$

A linear function is modeled by:

$y(n) = an + b$

In which:

• a is the slope, which is the rate of change per unit n.
• b is the y-intercept, which is the "fixed" value.

In this problem:

• Charge of $18 per uniform, hence $a = 18$.
• Shipping fee of $7, hence $b = 7$

Thus, the relationship is modeled by:

$c = 18n + 7$

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