Problema Solution
Hector’s service club is raising money by wrapping presents in the mall. The function f(x) = 3x describes the amount of money, in dollars, the club will earn for wrapping x presents. They only have enough wrapping paper to wrap 1000 presents.
4. Describe the dependent variable for this problem.
5. Describe the domain and range for this problem using appropriate notation.
Answer provided by our tutors
4. the dependent variable is f(x)
5. the domain is: all the non-negative integer numbers {x | x>=0, x is integer}
the range is: all the non-negative integer numbers divisible by 3 {y | 3|y and y>=0}.