Ms. smith has decided to open a hot dog stand. she has found that her daily costs are approximated by the following equation: c(x) = x2 – 40x + 610. c(x) is the cost in dollars to sell x hot dogs.
a) find the number of hot dogs she must sell to minimize her cost.
b) find that minimum cost.
c) what is ms. smith’s beginning cost each day for the hot dog stand?