S
  • S
After an advertising campaign, the sales of a product often increase and then decrease. Suppose that t days after the end of the advertising the daily sales are, f(t) = - 6t^2 + 64t + 105 units. a) What is the average rate of growth in sales during the fourth day that is from time t = 3 to t = 4. b) In what instantaneous rate are the sales changing when t=3?
Mathematics
  • Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
jamiebookeater
  • jamiebookeater
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
S
  • S
For a do you take a derivative and then plug in 3 and 4 and find the difference or what ?
anonymous
  • anonymous
a) Avg = [ f (4) - f(3) ] / ( 4 -3) = f (4) - f(3)
S
  • S
MMmm ok.. so just a difference with no derivative. Ok thanks! What about b?

Looking for something else?

Not the answer you are looking for? Search for more explanations.

More answers

anonymous
  • anonymous
b) instant rate = f' (3)
S
  • S
Ok got it! Thank you!
anonymous
  • anonymous
Thanks for helping me to make it so simple ;)
S
  • S
No problem.. hehe =D

Looking for something else?

Not the answer you are looking for? Search for more explanations.