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A beetle travels along a curved path with a velocity given by:

$$v(t)=(2t-5) \text{cm/s}$$

What is the beetle's displacement from $t=1 \text{ second}$ to $t=3.5 \text{ seconds}$?

$1.25\text{ cm}$

$5\text{ cm}$

$-1.25\text{ cm}$

$3.25\text{ cm}$