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alexandr402 [8]
3 years ago
15

Determine the value(s) of x at which the function f(x)=x⁴-8x² +2 has a horizontal tangent. ​

Mathematics
1 answer:
Slav-nsk [51]3 years ago
3 0

Answer:

4 {x}^{3}  - 16x = 0 \\ 4x( {x}^{2}  - 4) = 0 \\ 4x(x - 2)(x + 2) = 0 \\ x = 0or \: or - 2

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Answer:

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The dance committee of Pine Bluff Middle School earns \$72$72dollar sign, 72 from a bake sale and will earn \$4$4dollar sign, 4
Brut [27]

Answer:

The correct answer is 72 + 4 × x \geq 400.

Step-by-step explanation:

The dance committee of Pine Bluff Middle School earns $72 from a bake sale and will earn $4 for each ticket they sell to the Spring Fling dance.

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Let x number of tickets the committee could sell.

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The committee should have some left over money also after spending for the dance which costs $400.

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72 + 4 × x \geq 400.

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Answer:

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2 years ago
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Use a proportion:


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