the windows on the euro represent that Europe is open
A point can represent a piece of data or an (x,y) value.
2 x 2 x p x p
y0(x) could represent a function of x but usually y(0) represents the function y that is evaluated at x = 0 and so is no longer a function of x but a constant.
yes
Yes, if x is a negative number.
X-Axis is manipulated variable. Y-Axis is responding variable
Ewan =x=
97
Ewan =x=
f(x)=x^2 apex
The answer depends on what x and y are supposed to represent.