1. Radius
2. Tangent
3. Chord
4. Diameter
9514 1404 393
Answer:
see attached
Step-by-step explanation:
A graphing calculator is useful for this.
The region of interest is below the parabola and above the line.
The answer for this question that needs an answer is n = 5
because 18(n-1) = 9(n+7) implies that 18n - 18 = 9n + 63 which implies that n =5 for the equation to hold true.