The manager of a farmer's market has 400 lb of grain that costs $1.40 per pound. How many pounds of meal costing $0.80 per pound
1 answer:
You might be interested in
Use the power rule for differentiation:
You can use this formula if you remember that a root is just a rational exponential:
So, remembering that the derivative of the logarithm is 1/x, you have
Which you can rewrite as