Answer: d,f

=> all the values are d and f
Step-by-step explanation:
Answer: All real numbers
Step-by-step explanation:
The domain is the set of inputs.
The second child is about 19lbsif you want to round it otherwise it's 18 something lbs, so the first child is about... 57.
Answer:
i believe it is c
Step-by-step explanation: