A family cell phone plan is sold for $35 a month for the first line and $20 for each additional line. a) Write a recursive formula for the monthly cost of the plan for n users.
b) Write an explicit formula for the monthly cost of the plan for n users.

What is the standard form of -5x^2+2x^4-11+x^3+3x

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

Ineed me i stuck and i don’t want to get it wrong