You pay $500 up front for an iPhone 11, and you have to pay $40 a month for the cell phone plan. Write an equation to represent how much you will spend in total. Use "y" for the total amount, and "x" for the amount of months.

guess at question:

a vertical line intersects the graph of g(x,y) = 0 at two points. what conclusion follows about the function f(x) implicitly defined by g(x,f(x)) = 0?

the domain of f(x) cannot include the x coordinate of any such vertical line.

informally, f(x) is not a function, and

g(x,y)=0 cannot be solved for y uniquely.

the relation r = {(x,y) such that g(x,y) = 0} is a function if

for all (a,b) ∊ r and (c,d) ∊ r, a=c implies b=d.

step-by-step explanation:

the answer is d

step-by-step explanation:

part a: 1.08

part b: 27.59

0.85% : )

step-by-step explanation: