If the inequality symbol is ≤ or ≥ , then the region includes the parabola, so it should be graphed with a solid line. Otherwise, if the inequality symbol is < or > , the parabola should be drawn with a dotted line to indicate that the region does not include its boundary. Example: Graph the quadratic inequality.
You would divide 12 by .5 so the answer is 24
To find the growth of the circumference of the tree in one year, you create the fraction 1/5 to represent the part of the 5 years you want to calculate the circumference for.
1/5 of the 7/8 in math means
1/5 x 7/8 or 7/40 inch
The circumference of a tree will grow 7/40 of an inch each year.