A Goatherd Has the Cost Function C(y)= 4y2, Where Y

Multiple Choice

A goatherd has the cost function c(y) = 4y2, where y is the number of tubs of goat cheese she makes per month.She faces a competitive market for goat cheese,with a price of $40 a tub.How many tubs should she produce per month?

A) The square root of 40
B) 16
C) 5
D) The square root of 10
E) 2.50