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Nastasia [14]
2 years ago
8

A particle travels along the x-axis such that its position at time t is given by the function x(t)= 2t^2+t. What is the average

speed of this particle over the interval 2 is less than or equal to t which is less than or equal to 10
A-4

B-200

C-32

D-25
Mathematics
1 answer:
Lapatulllka [165]2 years ago
8 0

Answer:

4: A

Step-by-step explanation:

Mathematically, the average speed over a particular range will be;

f’(b)-f’(a)/(a-b)

In this case; a = 2 and b = 10

So we have the following;

f’(x) = 4t + 1

f’(10) = 4(10) + 1 = 41

f’(2) = 4(2) + 1 = 9

So we have the average speed change as;

(41-9)/(10-2)

= 32/8 = 4

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Answer:

The system of equations has no solution.

Step-by-step explanation:

Given the system of equations

2y = 2x+7

x = y+2

solving the system of equations

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Arrange equation variables for elimination

\begin{bmatrix}2y-2x=7\\ -y+x=2\end{bmatrix}

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so the system of equations becomes

\begin{bmatrix}2y-2x=7\\ 0=11\end{bmatrix}

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Thus,

No Solution!

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