Andrew has a cell phone plan that provides 300 free minutes each month for a flat rate of $19. For any minutes over 300, Andrew is charged $0.39 per minute. Which of the following piecewise functions represents charges based on Andrew's cell phone plan?

(will post answer choices in a bit!)

Please explain because i am confused... :(

Question

Andrew has a cell phone plan that provides 300 free minutes each month for a flat rate of $19. For any minutes over 300, Andrew is charged $0.39 per minute. Which of the following piecewise functions represents charges based on Andrew's cell phone plan?

(will post answer choices in a bit!)

Please explain because i am confused... :(

anonymous · Answer

A, B, C, D... in order they appear!

anonymous · Answer

what do u think?

anonymous · Answer

I feel like it might be answer C but I am not sure and i need an explanation cuz i am super confused!

anonymous · Answer

Ya ......thats the correct answer

anonymous · Answer

Because if he talks less than or equal to 300 minutes than it will cost $19

anonymous · Answer

right?

anonymous · Answer

yeah i think so.... that's what i thought but i got really confused... so the attached one is the answer yes?

anonymous · Answer

yes

anonymous · Answer

so 100% sure that is the answer??!!

anonymous · Answer

Now, if he talks more than 300 minutes than  he is charged $0.39 per extra minute

anonymous · Answer

did u take precal/trig before or something? And so my answer C is correct??

anonymous · Answer

So, if x>300 than f(x)=19+(x-300)*0.39

anonymous · Answer

Thus the answer is C

anonymous · Answer

got it?

anonymous · Answer

cool! thanks!! :) @sauravshakya

anonymous · Answer

Welcome

anonymous · Answer

So, did u understand

anonymous · Answer

yup!! thanks so much! :)