the vertical line test is a graphical way to determine whether or not the graph is a function of x
if you can draw a vertical line on a graph and cross the graph at least 2 times, the graph is not a function
a function will have 1 y value for every x value, therefore, if we can draw a vertical line (x=c, a constant) that intersects the curve at more than 1 point, then that point where it intersects at more than 1 point is where 1 value of x coresponds to more than 1 value of y and is therefore not a function
Answer:
Possible expressions are:
8x
8 * x
8(x)
8 · x
Answer:
i don't know, i just want to know if you got it right
Step-by-step explanation:
Delta equation is:
but we are interested in
because it determines the discriminant
which means that discriminant is positive :)
