Part A:
Given in the statement
r(t)= 2t
A(r) = πr2
So to find A[r(t)]
You have to plug r(t) into A(r)
Answer: A[r(t)] =π(2t)2=4πt
Part B:
The statement tells you t=5 min and
π=3.14
So plug in you values
A[r(t)]=π(2(5))2=4* 3.14*5=62.8
Answer:
1. y=kx k is the constant of variation
2. y= 12x is in this form
3. with k= 12
Step-by-step explanation:
hope this helps! can i get brainliest :)
Answer:
Step-by-step explanation:
-2 1/4, -1 1/4, 3/4, |-1 1/4|, |-1 3/4|, |-2 1/4
hope it helps
