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Gelneren [198K]
3 years ago
8

9.

Mathematics
1 answer:
Lady_Fox [76]3 years ago
3 0
<h2><u>El conjunto de parejas ordenadas que no es una función es: </u></h2><h2> </h2><h2><u>Alternativa C: {(-2,1),(-1,0),(0,1),(-1,2),(2,2)} </u></h2>

<h3>Una función se define como un conjunto de parejas ordenadas (x, y) donde no se repite el valor de "x" (corresponde al dominio de la función) </h3><h3> </h3><h3>En el caso específico del ejercicio, la alternativa C no corresponde con una función ya que tienen dos parejas con el mismo valor de "x":  {(-2,1), (-1,0), (0,1), (-1,2), (2,2)} </h3><h3> </h3><h3>Estos pares están en negrita, y el valor repetido subrayado. </h3>

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The goal of a Toy Drive is to donate more than 1000 toys. The Toy Drive already has collected 300
maksim [4K]

Answer:

t > 700

Step-by-step explanation:

1000 - 300 = 700

This means they still need at least 700 toys to go.

In the question it says "donate more" so we are going to use the ">" symbol.

Let "t" equal the number of toys they need to donate.

t > 700

Best of Luck!

6 0
3 years ago
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Evaluate dydx at x=2 for the function below.<br><br> y=6u^3+5u+2, where u=−3x^2−4x+9
bekas [8.4K]

Step-by-step explanation:

y = 6u {}^{3}  + 5u + 2

y = 6( - 3 {x}^{2}  - 4x + 9) {}^{3}  + 5( - 3 {x}^{2}  - 4x + 9) + 2

Use the chain rule.

\frac{dy}{dx}  = 6(3)( - 3 {x}^{2}  - 4x + 9) {}^{2} ( - 6x  -  4) + 5( - 6x - 4)

18( - 3 {x}^{2}  - 4x + 9) {}^{2} ( - 6x - 4) + 5( - 6x - 4)

Factor out -6x-4,

( - 6x - 4)(18( - 3 {x}^{2}  - 4x + 9) {}^{2}  + 5)

Know plug in x=-2 to evaluate the derivative

( - 6(2) - 4)(18( - 3(2) {}^{2}  - 4(2) + 9) {}^{2}  + 5)

( - 16)(18(( - 12) - 8 + 9)) {}^{2}  + 5)

- 16(18( - 11) {}^{2}  + 5)

- 16(2183)

- 34928

6 0
1 year ago
44) The difference of two numbers is 76. The second number is 20% of the first number. What are the numbers?
Nina [5.8K]

Answer:

C

Step-by-step explanation:

Not A b/c the difference b/w 85 and 17 is not 76

Not D b/c the difference b/w 97 and 17 is not 76

Not B b/c 16 is not 20% of 92

By the process of elimination the answer is C

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3 years ago
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Divide each side by 7.5
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