Select all the correct answers. Alfred has plotted revenue and cost graphs for his pastry business. He’s testing a number of cost assumptions against his business’s revenue.

Which two statements correctly interpret the graphs?
Cost falls and revenue rises up to approximately $6 per pastry.
After approximately $6, both cost and revenue fall.
Costs continue to fall beyond approximately $6 because of an increase in revenue.
Revenue continues to rise regardless of the change in price.
Revenue falls and cost rises up to approximately $17.

Brittany has designed four different birdcages, each with the same volume: a square pyramid, a cylinder, a cone, and a sphere. the zoo wants to use one of brittany’s designs but plans to change the volume of the cage. find the design change that would result in the birdcage with the greatest volume. a.) increase the area of the base of the square pyramid by a factor of ten. b.) increase the height of the cylinder by a factor of ten. c.) increase the radius of the cone by a factor of ten. d.) increase the radius of a sphere by a factor of ten.