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Phantasy [73]
3 years ago
13

Evaluate functions from their graph

Mathematics
1 answer:
suter [353]3 years ago
4 0

Answer:

f(1) = 1

Step-by-step explanation:

To evaluate a function, you see the y value it gives when you plug in the x value.

When you plug in 1 for the x value, the y value is also 1, so f(1) = 1

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Artyom0805 [142]

Answer:

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3 years ago
The diagram below shows circle with radii OA
Finger [1]

Answer:

Length of arc AB = 4π

Step-by-step explanation:

Formula to get the arc length is given by,

Length of arc = \frac{\theta}{360}(2\pi r)

Here, θ = central angle subtended by the arc AB

r = Radius of the circle

By substituting the values in the formula,

Therefore, length of arc AB = \frac{120}{360}(2\pi )(6)

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PtichkaEL [24]

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6 0
4 years ago
Graph if f (x) =2x^-10 for find f(5)
nekit [7.7K]

Answer:

f(5)=2.048*10^{-7}

Step-by-step explanation:

We have that f(x)=2x^{-10}, we want to find f(5).

We can rewrite this function with positive index to get:

f(x)=\frac{2}{x^{10}}

We need to substitute x=5 into the given function to get:

f(5)=\frac{2}{5^{10}}

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f(5)=\frac{2}{9765625}

In scientific notation:

f(5)=2.048*10^{-7}

3 0
4 years ago
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