f(x)= -x^2 + x^-1
f(-2)= - (-2)^2 + (-2)^-1 = -4 - 1/2 = -9/2
f(-1)= - (-1)^2 + (-1)^-1 = -1 -1 = -2
f(1) = - (1)^2 + (1)^-1 = -1 +1 = 0
The range is { -9/2, -2, 0}
Answer: The percent of the coins are quarters = 64%.
Step-by-step explanation:
According to the given question , we have
The fraction of coins are quarters in the coin collection = 
We know that to convert a fraction into percent , we multiply it by 100 .
Then , the percent of the coins are quarters = 
which is equal to 
Therefore , the percent of the coins are quarters = 64%.
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The sample space is any space that gives a positive outcome to all samples. They have to have an equal outcome
Answer:
1/2
Step-by-step explanation:
The problem is asking for the coefficient of the sum of the two expressions, which are 2/3 and -1/6.
2/3 + -1/6 = 1/2, therefore, the answer is 1/2.
Answer:
A
Step-by-step explanation:
if X is 7, and is connected/touching the three. You have to multiply and 7×3=21