Susan is looking into a new cell phone carrier. she researches her options and finds the two companies which off the best reception in her neighborhood offer very different monthly plans. write a function rule which represents each company’s monthly fees. a) company a offers unlimited minutes and texts for a flat fee of $50 per month and charges $1.50 for each gb of data used per month. b) company b offers unlimited minutes and texts for a flat fee of $35 per month and charges $5.00 for each gb of data used per month.

Let x represent the number of GB of data used per  month .Let f(x)  be the function that represents the total cost .

A) For Company A it is given :Company A offers unlimited minutes and texts for a flat fee of $50 per month and charges $1.50 for each GB of data used per month. Charge for x GB data used = 1.50x.

Total cost f(x)= 1.50x+50

B) Given :Company B offers unlimited minutes and texts for a flat fee of $35 per month and charges $5.00 for each GB of data used per month.Cost of x GB data = 5x

Total cost f(x)=5x+35.

correct answers below: