Answer:
It’s 4x - 4y because to find the commute you add the two terms making 4x - 4y
Step-by-step explanation:
The total time Hazel spends commuting to and from work each day is 4x − 4y.
Let, the time to work by hazel = x+6y
Time from work = 3x-10y
The expression which represents the total time Hazel spends commuting to and from work each day will be the sum of function of time hazel spend to work and from work.
Let time to work be f(x) and time from work be g(x)
The total time taken to and fro will be f(x) + g(x)
f(x) + g(x) = x + 6y + (3x - 10y)
f(x) + g(x) = x + 3x + 6y - 10y
f(x) + g(x) = 4x - 4y
Therefore, the correct answer is option B) 4x − 4y.
To learn more about the sum of function
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