Examlex
A truck gets 400/x mpg when driven at a constant speed of x mph (between 40 and 70 mph). If the price of fuel is $1/gallon and the driver is paid $6/hour, at what speed between 40 and 70 mph is it most economical to drive? Round your answer to the nearest whole number.
__________ mph
Negative Attitude
A pessimistic outlook or disposition towards individuals, events, or situations, often resulting in adverse effects.
Employees
Individuals who are hired by employers to perform specific jobs in exchange for compensation, and who typically have designated roles and responsibilities within an organization.
Recognition
The acknowledgement or appreciation of an individual's achievements, qualities, or skills, often used as a form of motivation.
Performance
The act of carrying out a task or fulfilling a role with a certain level of efficiency or success.
Q4: Use logarithmic differentiation to find the derivative
Q11: The demand equation is <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8255/.jpg" alt="The
Q56: A hemisphere-shaped dome of radius 40 ft
Q108: Find the indefinite integral.<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8255/.jpg" alt="Find
Q117: On the Richter scale, the magnitude R
Q149: Find the present value of $54,049 due
Q156: The height (in feet) of a certain
Q171: Find the point(s) on the graph of
Q207: Find the first and second derivatives of
Q208: Simplify the expression. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8255/.jpg" alt="Simplify