Answer:
The roots (zeros) are the x
values where the graph intersects the x-axis. To find the roots (zeros), replace
f(x) with 0
and solve for x
No solution
The percentage increase; you'll need to take the new value and subtract it by the old value.
16 - 13 = 3
Next, you'll divide 3 by the original value.
3 ÷ 13 = 0.23
And multiply by 100
The percentage increase of friends is 23%