21. The total price of six cans of coke is $21. (a) Find the price of coke in $/can.
(b) A 10% discount will be offered on the purchase of 12 cans of coke.
(i) Find the total price of 12 cans of coke.
(ii) Find the price of coke in $/can if May buys 12 cans of coke,

a)3.50

b)okay?

i)37.80

ii)3.15

Step-by-step explanation:

answer: on graphs, the open and closed circles, or vertical asymptotes drawn as dashed lines us identify discontinuities.

as before, graphs and tables allow us to estimate at best.

when working with formulas, getting zero in the denominator indicates a point of discontinuity.

when working with piecewise-defined functions, check for discontinuities at the transition points where one piece ends and the next begins.

step-by-step explanation: