Answer:
Step-by-step explanation:
The area of a circle is given by where is the radius of the circle. The diameter is given as feet, so the radius of this circle is feet.
Plugging in our values, we get:
.
-3^3=9
18-9+3•2
9+3•2
12•2
24
The total cost for plumber number 1 expressed as a function of x is
c1(x)=45x+90
That is, the charge per hour times the number of hours plus the fixed charge for a visit.
Using the same pattern, write the function for the second plumber. Then set the two functions equal to each other and solve for
Answer:this is the answer
Answer:
(a)
(b)
(c)
Step-by-step explanation:
We have given velocity as function of t
Acceleration is equation rate if change of velocity with respect to time
So
(a) Acceleration at t = 5 sec
(b) Acceleration at t = 10 sec
(c) Acceleration at t = 20 sec