Which function, cap C times x , represents the monthly cost in dollars in terms of x , the number of gigabytes used in a month?
Answer
A
cap C of x is equal to 15 when 0 is less than or equal to x and x is less than 2; cap C of x is equal to 5 x plus 20 when 2 is less than or equal to x and x is less than 6; cap C of x is equal to 50 when 6 is less than or equal to x
B
cap C of x is equal to 15 when 0 is less than or equal to x and x is less than or equal 2; cap C of x is equal to 5 x plus 10 when 2 is less than x and x is less than or equal to 6; cap C of x is equal to 50 when 6 is less than x
C
C of x is equal to 15 x when 0 is less than or equal to x and x is less than or equal 2; cap C of x is equal to 20 x plus 5 when 2 is less than x and x is less than or equal to 6; cap C of x is equal to 50 x when 6 is less than x
D
cap C of x is equal to 15 x when 0 is less than or equal to x and x is less than 2; cap C of x is equal to 5 x plus 10 when 2 is less than or equal to x and x is less than 6; cap C of x is equal to 50 x when 6 is less than or equal to x