The formula C = 20x + 5 models the cost of New York Yankees T-shirts, where C is the cost and x is the number of shirts sold. Choose ALL TRUE statements in the context of this situation.
The total cost of T-shirts sold represents the domain
This model is a relation but not a function
The total cost of T-shirts sold represents the range
The cost of 20 T-shirts is $405.00 This model is a function
1) False, it represent range, 2) False, It is a function 3) True, c represent range 4) x=20 C=20*20+5=405 It is a function, for amount we assigne one value.
