Tommy has 3 dogs. Last month, he bought 5 pounds of dog food for 7.95, 8 pounds of dog food for 12.72, and 15 pounds of dog food
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Answer:
Step-by-step explanation:
Basically, if you want to find the probability of getting either outcomes, you will need to subtract the probability of getting neither outcomes in the question. The probability for both outcomes are 7/9 and 5/9 respectively. You will have to multiply to get the probability of getting both of the non-desired outcomes. Hence, it gives the equation above
So all you really need to do is to substitute the value of x into the equation so like the 1st one will look like this:
Those would be the right column for the f(x) values
Now do the same for g(x)
You will notice that when x = -1, g(x) = f(x)
Now do the same for g(x)
You will notice that when x = -1, g(x) = f(x)