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slavikrds [6]
3 years ago
13

4 Select the correct answer. Which of these mappings is a function?

Mathematics
1 answer:
melomori [17]3 years ago
3 0

Answer:

? i need a better explanation for ur questoin

Step-by-step explanation:

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Step-by-step explanation:

For the perpendicular of an equation you need to flip the fraction and change the sign from positive to negative or if it's negative to positive. 3/2 is changed to -2/3 which when multiplied by -2 gives you 4/3 and 4/3+5/3 is equal to 3.

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The width of a rectangular card is 2 cm lekss than the Tength. The area is 15 cm. Find the length and
Yuri [45]

Answer:

Step-by-step explanation:

Area A = 15square cm

Length L = x

Width w = x - 2

Area = L × w

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15 = x^2 -2x

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Solving by factorization

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x(x - 5) + 3(x - 5) = 0

(x + 3)(x - 5) = 0

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5 0
3 years ago
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