Jack is 4 times as old as Lacy. 3 years from now the sum of their ages will be 71 . How old are they now?
1 answer:
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1/2 1/2 1/2 1/3
9514 1404 393
Answer:
- domain: all real numbers, (-∞, ∞)
- range: all non-negative numbers, [0, ∞)
Step-by-step explanation:
There are no values of x for which this expression is undefined. The domain is all real numbers.
The minimum value of this expression is 0. There is no maximum value. The range is all numbers greater than or equal to zero.
