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valentina_108 [34]
2 years ago
9

Plot the x- and y-intercepts of function f(x)=x

Mathematics
2 answers:
atroni [7]2 years ago
8 0
This is the basic equation.
There is no shifts, because you don’t see any addition signs.

So, the x and y intercepts are at the origins (0,0).

Hope this helps!
katrin2010 [14]2 years ago
5 0
Because f(x)=x, goes through origin. So x and y -intercept are one point (0,0).
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Answer:

The tip of the man shadow moves at the rate of \frac{20}{3} ft.sec

Step-by-step explanation:

Let's draw a figure that describes the given situation.

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Here it forms two similar triangles.

Let's find the distance "y" using proportion.

From the figure, we can form a proportion.

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Cross multiplying, we get

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We need to find rate of change of the shadow. So we need to differentiate y with respect to the time (t).

\frac{dy}{t} = \frac{5}{3} \frac{dx}{dt} ----(1)

We are given \frac{dx}{dt} = 4 ft/sec. Plug in the equation (1), we get

\frac{dy}{dt} = \frac{5}{3} *4 ft/sect\\= \frac{20}{3} ft/sec

Here the distance between the man and the pole 45 ft does not need because we asked to find the how fast the shadow of the man moves.

7 0
3 years ago
What is the value of the expression 2/4^-3?
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Answer:

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