The equation d=1/2n (n-3) gives the number of diagonals d for polygon with n sides. use this equation to find the number of sides n for a polygon that has 65 diagonals

 13

Step-by-step explanation:

Given : The equation gives the number of diagonals d for polygon with n sides.

To find the number of sides n for a polygon that has 65 diagonals, we substitute the value of d= 65 in the given equation, we get

Multiply 2 on both sides , we get

But number of sides cannot be negative, so the number of sides n for a polygon that has 65 diagonals = 13

answer: i oofed

step-by-step explanation:

oofed=wow

option a.

step-by-step explanation:

if you look closely at the graph, we can notice that the function is not defined at two different points.

if you look at functions b and c, you will notice that both functions are not defined at just one point. the function b is not defined at x= -5/2 and function c is not defined at x=-5. both options are discarded, given that our function should not be defined at two fiferent points.

now, if you look closely at the graph you will notice that the function sketched is not defined at x=5 and x=-2.