Hi guys for some reason I'm having problems with these 2 questions, Any help would be great.
1. For the equation where does the largest slope occur?
Ok here is how I thought I would find the answer for this problem. If I take the second derivative and equal it to 0 and find my critical points, then one of my points will be the the largest slope. Is this correct?
so I think my largest slope occurs at
Is this correct?
2.A rectangular storage container with a top is to have a volume of . The length of the base is 1.5 times the width. Material for the base costs $3 per square meter, material for the sides cost $5 per square meter and the material for the top costs $8 per square meter. Find the dimensions of the container with minimal total cost.
I'm not sure how to do the second one.
but what do I use for height?
Also I know I have to use surface area but can't come up with an equation without the height.