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labwork [276]
3 years ago
5

What is the value of the following function when x = 0? y=-5 y=-2 y=-1 y=0

Mathematics
1 answer:
expeople1 [14]3 years ago
4 0

Answer:

y = -2

Step-by-step explanation:

See the attached image in the attachment. When x is zero, it intersects the y-axis at y = -2

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The output y and input x of a device are related by y = x + 1.4x3 . (a) Find the values of the output for steady-state operation
erma4kov [3.2K]

Answer:

a) y(1) = 2.4 , y(2) = 13.2, b) y(x) = 2.4 + 5.2\cdot (x-1), y(1) = 2.4, y(2) = 7.6

Step-by-step explanation:

a) The values of the output for steady-state operation are:

y(1) = 1 + 1.4\cdot (1)^{3}

y(1) = 2.4

y(2) = 2 + 1.4\cdot (2)^{3}

y(2) = 13.2

b) The formula for linearization is:

y(x) = y(1) +\frac{dy}{dx}|_{x = 1} \cdot (x-1)

The first derivative of the formula evaluated at x = 1 is:

\frac{dy}{dx}|_{x=1} = 1 + 4.2\cdot (1)^{2}

\frac{dy}{dx}|_{x=1} = 5.2

The linearized model is:

y(x) = 2.4 + 5.2\cdot (x-1)

The output at x = 2 is presented below:

y(2) = 2.4 + 5.2\cdot (2-1)

y(2) = 7.6

Linearized model offers reasonable approximations for small intervals.

5 0
3 years ago
Solve the system. 9=4x-2y 2x+6=y
Digiron [165]

Step-by-step explanation:

4x-2y = 9 ...1

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4x-2y = -12

9 is not equal to -12

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Which three lengths could be the length of the sides of a triangle?
Firdavs [7]
Answer is
<span>1: 6cm, 10cm, 9cm

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</span>
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Can someone pls help and show workings
Fittoniya [83]

Answer:

D

Step-by-step explanation:

8 0
3 years ago
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