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GuDViN [60]
3 years ago
9

The position of a particle moving to the right on the x-axis is given by x(t), where x(t) is measured in inches and t is measure

d in minutes for 0≤t≤100. If y=x(t) is a linear function, which of the following would most likely give the best estimate of the speed of the particle, in inches per minute, at time t=20 minutes?
A. x(20)x(20)
B. x(20)20x(20)20
C. x(21)−x(19)x(21)−x(19)

The slope of the graph of y=x(t)

Mathematics
2 answers:
wlad13 [49]3 years ago
8 0

Answer:

No options

Step-by-step explanation:

Knowing that V=in/min = x(t)/t and according to the graph,

V=20in/20min=in/min, so

No options since speed is not inches per minute, spedd (V) = inches over minutes

Vlad [161]3 years ago
3 0

Answer:

The slope of the graph of y=x(t)

Step-by-step explanation:

The speed's equation is the derivative of the position.

Position

y = x(t)

Linear function.

So

y = ax(t)

In which a is the slope

The derivative of y is:

y = a

Which is the slope

This means that the speed of the particle is constant.

So the answer is:

The slope of the graph of y=x(t)

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