The graph represents the data cost for monthly internet service for a cell phone. which function, c(x), represents the monthly cost in dollars in terms of x, the number of gigabytes used in a month?

From the graph it can be seen that for x =0 to x = 2, the value of c(x) is 15. then, for the second set of terms, it is seen in the graph that for 2 < x  ≤ 6, we can describe the c(x) as c(x) = 5x + 10. lastly, for x > 6, the value of c(x) is 50. arranging these terms:

                                                = 15               0  ≤ x  ≤ 2
                                      c(x) = 5x + 10       2 < x  ≤ 6
                                              = 50                   x > 6

answer: the answer is option(a)

step-by-step explanation:

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