I need help answering question 11 and 13. Thank you.

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter47: Applications Of Formulas To Cutting Speed, Revolutions Per Minute, And Cutting Time
Section: Chapter Questions
Problem 42A: Compute the following problems. Express the answers to 1 decimal place. Use: T=LFN Fifteen...
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Hi I need help answering question 11 and 13. Thank you.

10. Let V(x) measure the volume, in decibels, measured inside
a restaurant with x customers. What are the units of V' (x)?
11. Let v(t) measure the velocity, in ft/s, of a car moving in a
straight line t seconds after starting. What are the units of
v'(t)?
12. The height H, in feet, of a river is recorded t hours after
midnight, April 1. What are the units of H' (t)?
13. Pis the profit, in thousands of dollars, of building a factory
and then producing and selling c cars.
(a) What are the units of P'(c)?
(b) What is likely true of P(0)?
14. Tis the temperature in degrees Fahrenheit, h hours after
midnight on July 4 in Sidney, NE.
(a) What are the units of T' (h)?
(b) Is T' (8) likely greater than or less than 0? Why?
(c) Is T(8) likely greater than or less than 0? Why?
In Exercises 15–18, graphs of functions f(x) and g(x) are given.
Identify which function is the derivative of the other.
Transcribed Image Text:10. Let V(x) measure the volume, in decibels, measured inside a restaurant with x customers. What are the units of V' (x)? 11. Let v(t) measure the velocity, in ft/s, of a car moving in a straight line t seconds after starting. What are the units of v'(t)? 12. The height H, in feet, of a river is recorded t hours after midnight, April 1. What are the units of H' (t)? 13. Pis the profit, in thousands of dollars, of building a factory and then producing and selling c cars. (a) What are the units of P'(c)? (b) What is likely true of P(0)? 14. Tis the temperature in degrees Fahrenheit, h hours after midnight on July 4 in Sidney, NE. (a) What are the units of T' (h)? (b) Is T' (8) likely greater than or less than 0? Why? (c) Is T(8) likely greater than or less than 0? Why? In Exercises 15–18, graphs of functions f(x) and g(x) are given. Identify which function is the derivative of the other.
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