Question: A store sells apples using the cost function f(x)=0.40x. Construct a new pricing model g(x) that has a higher price per apple and it costs no more than $180 for 400 apples.
A) g(x)=0.35x
B) g(x)=0.45x
C) g(x)=0.50x
D) g(x)=0.60x
Correct answer: B
Grade: 8 | Topic: Functions | Difficulty: Hard | Standard: 8. F. B. 4