GCF(9; 15) = 3
9 = 3 · 3
15 = 3 · 5
9 + 15 = 3 · 3 + 3 · 5 = 3·(3 + 5)
Used distributive property: a(b + c) = ab + ac
To factor the expression, we need to find the gcf of 44,55 and 11.
In this case, the gcf is 11. so we could write the expression as...
11(4x+y+5z)
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Answer
You make all the denominators to 12.
That makes Gilbert the fastest and Simon the slowest.
For this case we have the following function:

For each of the domains we will choose a value.
We have then:
For −5 ≤ x ≤ −1
Let's choose the value of x = -3
Evaluating the function we have:
Answer:
g(-3) = 1
For −1 < x ≤ 5:
Let's choose the value of x = 0
Evaluating the function we have:
Answer:
g(0) = 2