Answer: variant A
Step-by-step explanation:
7x-99=2x+1
5x=100
x=20
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Answer:
a
Step-by-step explanation:
iM GOOD AT THIS
Answer:
youre not giving us the question
Step-by-step explanation:
Answer:
1.6 meters per second.
Step-by-step explanation:
We have been given an position function and we are asked to find the speed of the rock after 1 second.
Derivative of this function will give us speed function.
Now let us find derivative when t=1,
Therefore, the speed of the rock after 1 second will be 1.6 meters per second.