Answer:
D?
Step-by-step explanation:
If a function has roots -1 and -5, it must be in the form
![f(x)=a(x+1)(x+5)](https://tex.z-dn.net/?f=f%28x%29%3Da%28x%2B1%29%28x%2B5%29)
We can fix the coefficient a by imposing the passing through (0,-30):
![f(0)=-30=a(1)(5)\iff a=-6](https://tex.z-dn.net/?f=f%280%29%3D-30%3Da%281%29%285%29%5Ciff%20a%3D-6)
So, the function is
![f(x)=-6(x+1)(x+5)](https://tex.z-dn.net/?f=f%28x%29%3D-6%28x%2B1%29%28x%2B5%29)
Answer:
3 factors ; 18 total conditions
Step-by-step explanation:
The study focuses on the 3 factirs which impacts life satisfaction. Thses factors are : Smoking ; Drinking and Partying and they constitute the 3 different factor variables in the study.
For each factor variable, each has a number of different conditions ;
For smoking : 2 conditions (smoking and not smoking)
Drinking : 3 conditions (no alcohol, 1 / day ; several per day)
Partying : 3 conditions (no partying, 1 hour of partying / day, 2 hours of partying / day)
Total number of conditions :
(2 * 3 * 3) = 18 conditions
Here you have black dots at x = {0, 1, 2, 4, 4.5, 5}.
For each of these x-values, there is one and only one associated y-value. This fact tells us that the graph does represent a function.
Answer:
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Step-by-step explanation:
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