What is the midpoint of the line segment with endpoints (3.2, 2.5) and
(1.6, -4.5)?
O A. (4.8, -1)
O B. (2.4, -1)
O C. (4.8,-2)
O D. (2.4,-2)

you would need to know all the numbers that are on there

step-by-step explanation:

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: