Piecewise Defined Functions uiz Active 1 2 3 4 5 TIME REN 52: A cab company charges according to the following rate chart. Which graph correctly represents the charge, y, in dollars for a cab ride of x miles? Cab Rates by Mile Miles Charge Flag drop fee (0 miles) $5.00 0 10 miles $2.00 per mile for each mile over 10

20

step-by-step explanation:

y=mx+

hello from mrbilldoesmath!

answer:

(7 x + 6 y) (49 x^2 - 42 x y + 36 y^2)

discussion:

the trick is to recognize that 343 = 7^3 and 216 = 6^3 and, in general,

a^3 + b^3 =   (a + b) (a^2 - a b + b^2).

in our case

343x^3+216y^3   =   (7x)^3 + (6y)^3

so take a = 7x and b = 6y in the above equation to get the answer.

you,

mrb