f(x) = 4/5x i need to find the derivitave but i don't know how to start this one. I know the derivitave of 4 is just zero, and i know the derivative of 5x is 5. But the answer isn't 0/5. Help please.
Math Homework HELP!
Find the value of k so that the line containing the points (k,−8) and (−3,−5) is parallel to the line containing the points (9,7) and (12,5).
In 2010 a company reported a net income loss of 23.8 million. In 2011 the company reported a net income gain of 10.4 million. How much more income did the company earn in 2011 than in 2010
There are 1,000 hot dog stands in Chicago at any given moment. Due to health concerns, a significant number of families move out of the city. Would there be a shift in the demand curve, the supply curve, or both? I'm thinking that if this significant number moves out of th...
for a class trip a teacher brought 25 students tickets and 5 adult tickets: ~ write an expression for the total cost of tickets purchased ~if students tickets cost $4 each and adult tickets cost $6 each, how much money did the teacher spend on tickets?
order of operations 10) 2^4-3^2+5^2 11)32/(-7+5)^3 12)4^3-(2-5)^3
while riding her bike, jennifer burns 450 calories every 1/2 hour. Based on this rate, how many calories will jennifer burn if she rides her bike for 1 3/4 of an hour?
A wind turbine is initially spinning at a constant angular speed. As the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.170 rad/s2. After making 2870 revolutions, its angular speed is 131 rad/s. (a) What is the initial angula...
A lawnmower tractor engine produces 18hp using 40kW of heat transfer from burning fuel. Find the thermal efficiency and the rate of heat transfer rejected to the ambient. I converted the power to 13.24kW then found the efficiency by dividing 13.24kW by 40kW but the answer is i...
An empty cannister of 0.002 m3 is filled with R-134a from a line flowing saturated liquid R-134a at 0°C. The filling is done quickly so it is adiabatic, but after a while in storage, the can warms up to room temperature, 20degC. Find the final mass in the cannister and the...