Help me understand this question.

Mathematics

1 answer:

nydimaria [60]3 years ago

4 0

Answer:

you have to find the number of each point

Step-by-step explanation:

First find the point of r and so on

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Tatiana [17]

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Step-by-step explanation:

The smaller the coefficient, the wider the graph would be. So the smallest number, if positive, 1/5 is the widest and the largest 7 is the narrowest.

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3 years ago

5x^2+3x-6x^3+4x^2+2x^3-x+10 when this polynomial is simplified, what is the coefficient of x^3?

Simora [160]

The polynomial would simplify to:
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3 years ago

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Sliva [168]

If you would like to know what is your average speed, you can calculate this using the following steps:

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3 years ago

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Solve y' + 2xy = 2x^3, y(0) = 1.

dalvyx [7]

This is an ODE of the form y' + P(x)y = Q(x)
IF = $e^{ \int\limits {P(x)} \, dx }=e^{ \int\limits {2x} \, dx }=e^{x^2}$
Multiply through by IF
$e^{x^2}y'+2xe^{x^2}y=2x^3e^{x^2} \\ (e^{x^2}y)'=2x^3e^{x^2} \\ \int {(e^{x^2}y)'} \, dx = \int {2x^3e^{x^2}} \, dx \\ e^{x^2}y=x^2e^{x^2}-e^{x^2} + c \\ y=c_1e^{-x^2}+x^2-1$
But y(0) = 1
$1=c_1e^{-(0)^2}+(0)^2-1 = c_1-1 \\ c_1=1+1=2$
Therefore, solution is
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3 years ago

Please help fast <br> Work out A and B

likoan [24]

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Step-by-step explanation:

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