Question

A cell phone plan costs $39 a month. The plan includes 2 gigabytes of free data and charges $15 per gigabyte for any additional data used. The monthly charges are a function of the number of gigabytes of data used, given by $f(x) = \begin{cases} 39 & \text{if } 0 \le x \le 2\\ 39 + 15(x - 2) & \text{if } x > 2 \end{cases}$ $C(0.5) = 39$ $C(2) = 39$ $C(4) = 69$ Interpret your results for $C(0.5)$, $C(2)$ and $C(4)$ in the context of the question: 0.5, 2: we can use 2 gigabytes without having to pay more than the plan c (0.5) and c(2) will be $39. 4: here we have spent 2 gigabytes over the plan limit so we would have to pay 15 per gigabyte Graph the piece-wise defined function $C(x)$.

          A cell phone plan costs $39 a month. The plan includes 2 gigabytes of free data and charges $15 per gigabyte for any additional data used. The monthly charges are a function of the number of gigabytes of data used, given by
$f(x) = \begin{cases} 39 & \text{if } 0 \le x \le 2\\ 39 + 15(x - 2) & \text{if } x > 2 \end{cases}$
$C(0.5) = 39$
$C(2) = 39$
$C(4) = 69$
Interpret your results for $C(0.5)$, $C(2)$ and $C(4)$ in the context of the question:
0.5, 2: we can use 2 gigabytes without having to pay more than the plan c (0.5) and c(2) will be $39.
4: here we have spent 2 gigabytes over the plan limit so we would have to pay 15 per gigabyte
Graph the piece-wise defined function $C(x)$.

A cell phone plan costs 39 a month. The plan includes 2 gigabytes of free data and charges15 per gigabyte for any additional data used. The monthly charges are a function of the number of gigabytes of data used, given by
f(x) = 39 if 0 ≤ x ≤ 2
39 + 15(x - 2) if x > 2
C(0.5) = 39
C(2) = 39
C(4) = 69
Interpret your results for C(0.5), C(2) and C(4) in the context of the question:
0.5, 2: we can use 2 gigabytes without having to pay more than the plan c (0.5) and c(2) will be 39.
4: here we have spent 2 gigabytes over the plan limit so we would have to pay 15 per gigabyte
Graph the piece-wise defined functionC(x).

Added by Michael E.

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