3 years ago

Average rate of change for f(x)= 2^-.25 x sin(3.14159/2x)

Mathematics

1 answer:

creativ13 [48]3 years ago

3 0

Answer:

find the derivative and you get the slope

Step-by-step explanation:

f'(x)= -2cos2x

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Answer:

20:12

brainlest if it helped

Step-by-step explanation:

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A vacuum had been marked down by 20% and solf for $250. What was the original price of the vacuum?

igomit [66]

Answer:

The original price was $312.50

Step-by-step explanation:

If the vacuum was marked down by 20%, that means it was sold for 80% of the full price. It was sold for $250, so 80% of the original price is $250.

Let's set up an equation.

80/100 of x = 250

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Divide both sides by 0.8.

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Step-by-step explanation:

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3 years ago

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bezimeni [28]

The answer would be 1

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(x - 2)² + 6x – 7 Which of the following is equivalent to

podryga [215]

Answer:

$x^2 +2x-3$

Step-by-step explanation:

Given

$(x - 2)\² + 6x - 7$

Required

The equivalent

We have:

$(x - 2)\² + 6x - 7$

Expand

$(x - 2)\² + 6x - 7 = x^2 -2x-2x +4 +6x - 7$

Collect like terms

$(x - 2)\² + 6x - 7 = x^2 -2x-2x+6x +4 - 7$

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Hence, the equivalent is:

$x^2 +2x-3$

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