Question

The figure below shows total costs for three gym memberships. Which is the most accurate statement?250+y=25%y = 15x -50y = 10x100Platnum200+©150+Standard10010Monthly1550.1Platinum is crescentMorty is cheapest251 2 3 4 52++6 7 8Month91011 12A Standard is never the cheapest option regardless of durationB of the 3, Monthly is cheapest out to 10 monthsMonthly is cheapest out through 5 monthsD Monthly is always the costliest for any duration

Answer 1

The correct option is C

A is not true because standard is the cheapes in the period 5 to 10 months, we can see this because the two other lines are above the line of standard in this period, thus standard is the cheapest in the interval

B is not true because monthly becomes more expensive than standard at month 5.

D is not true because monthly is the cheapest fom month 0 to 5.

Then, the only option is true, over the first 5 months, monthly is the cheapest