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kow [346]
3 years ago
7

Determine the direction that this parabola opens y=x^2+2x+8up or down

Mathematics
1 answer:
Paha777 [63]3 years ago
6 0

Answer:

up

Step-by-step explanation:

The standard equation for a parabola is y = ax^2 + bx + c.  If the coefficient a is positive, then the curve (graph) opens up.

In y=x^2+2x+8  this coefficient is +1, so the curve opens up.

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Answer:

The corresponding point for the function  f(x - 4) is (4 , 1)

Step-by-step explanation:

* <em>Lets explain how to solve the problem</em>

- If the function f(x) translated horizontally to the right by h units, then

 the new function g(x) = f(x - h)  

- If the function f(x) translated horizontally to the left by h units, then

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- The given function is f(x)

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- The function f(x - 4) means that f(x) is translated 4 units to the right

∵ x subtract by 4

∴ f(x) translated horizontally four units to the right

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∴ Its image is (4 , 1)

* The corresponding point for the function  f(x-4) is (4 , 1)

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3 years ago
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8≠9

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2 years ago
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