Answer:
Step-by-step explanation:
The formula for the length of an arc is s = rФ.
Thus, the arc length of a semicircle is S = rФ/2.
Here the radius is 5 (half the diameter), and so in this case the arc length is
S = (5 units)π/2, or S = (5/2)(3.14) units, or approximately S = 7.85 units
Answer: b
best sample
8n+2
You add 3n to 5n and that gets you 8n.
The 2 is just alone.
-4
the highest f(x) value on the table is at -4 on the x column
