Answer:
f(0) = 3
.....
.................................
Answer:
decrease
Step-by-step explanation:
Answer:

Step-by-step explanation:
step 1
Find the area of the circle
The area of the circle is equal to

we have


substitute


step 2
we know that
The area of a circle subtends a central angle of 2π radians
so
using proportion
Find out the area of a sector with a central angle of 8 π/11 radians

"The quantity of price measured in dollars depends on the quantity of time measured in minutes" is an example that best defines the two quantities that are measured to find the call rate of a cell phone company.