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stop swindling
stop swindling asked in Science & MathematicsMathematics · 5 years ago

Which set is not closed under division? a. Integers excluding 0 b. Real numbers excluding 0 c. Complex numbers excluding 0?

Update:

This question on a stone is projected with a slingshot

vertically upward. The height, h in feet of the stone

t seconds after it is projected is given by the equation

h = -16t + 80t + 5. What is the average rate of

change in ft/sec of the height of the stone for 2-second

time interval from t=3 seconds to t=5 seconds?

1 Answer

Relevance
  • Randy P
    Lv 7
    5 years ago

    Update: That means [h(5) - h(3)] / (5 - 3)

    Any problem calculating h(5)?

    Any problem calculating h(3)?

    Any problem subtracting 3 from 5?

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