Tracy has a cell phone plan that provides 250 free minutes each month for a
flat rate of $29. for any minutes over 250, tracy is charged $0.35 per minute.
which of the following piecewise functions represents charges based on
tracy's cell phone plan?
o
a
js
29,4 $ 250
a. f(x) = 129 + 3567-250),x > 250)
ob.
o b. /() = 29,250 1
) 135x, x > 2501
(
29,> 2501
o
c. f(x) = 129+.35%, * $ 250)
od. f(x) = 29+ 352, 3 > 2505
29,2 s 2501