Answered

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Store a sells fabric for 3.00 per yard Store b sells packages of fabric for 3.00 The cost of fabric at either can be modeled by the function c(t)=3t where t is the number of yards of fabric at store a and t is the number of packages of fabric at store b The domain of c(t)=3t is all real numbers

Sagot :

MrRoyal

Answer:

[tex]0 \le t < \infty[/tex]

Step-by-step explanation:

Given

[tex]c(t) = 3t[/tex]

Required

The domain

From the question, we understand that t represents number of yards/packages (depending on the store)

This means that:

[tex]t \ge 0[/tex] ---- the start value

[tex]t < \infty[/tex] --- the end value

Rewrite [tex]t \ge 0[/tex] as [tex]0 \le t[/tex]

So, we have: [tex]0 \le t[/tex] and [tex]t < \infty[/tex]

Hence, the domain is: [tex]0 \le t < \infty[/tex]

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