Determine which relation is a function. A.{(–4, 3), (–2, 3), (–1, 2), (2, 5), (3, 2)}
B.{(–4, 1), (–2, 3), (–2, 1), (–1, 5), (3, 2)}
C.{(–4, 1), (–2, 3), (–1, 2), (3, 5), (3, 2)}
D.{(–4, 1), (–2, 3), (–1, 1), (–1, 5), (3, 2)}
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The A is a function, because all the values of the independent variable (the first value of the ordered pairs) are related to only one value, i.e. have only one image.
In B - 2 has two different images: 3 and 1. That makes that this is not a function.
In C, 3 has two different images: 5 and 2. That makes that this is not a function.
In D, - 1 has two different images: 1 and 5. That makes that this is not a function.
Hello help me find out what is 42-22
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20 :) hope that helped
Verify csc^4 - cot^4= 2cot^2 +1
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you can factor the left side of the equation to
(csc^2 + cot^2)(csc^2 - cot^2)
then, since cot^2 + 1 = csc^2, you can replace the csc^2 in the left parentheses with cot^2 + 1, and the cot^2 in the right parentheses with csc^2 - 1 (which equals cot^2)
then, youll end up with
(cot^2 + 1 - cot^2)(csc^2 + csc^2 - 1)
combine like terms, and the left parentheses becomes 1 (cot^2 - cot^2 = 0), and the right parentheses becomes 2csc^2 - 1.
1(2csc^2 - 1) = 2csc^2 - 1
There are 312 fish at the aquarium in 3 different fish tanks. Each tank has the same number of fish. How many fish are in each tank? Write an equation to find the unknown. Then find the unknown.
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Answer:
What 2 numbers add up to 1 and multiply to -12
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-3 and 4......................
-3 * 4 = -12 -3 + 4 = 1
A cashier contains 53 coins worth $4.40 they are all nickels and dimes right to equations that would be used to solve the system and solve