Draw more counters so that the black are 1/4 of all of the counters (there are 10 counters 3 of them are colored black so 7 are
1 answer:
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Answer:
Step-by-step explanation:
I suppose we could factor this and find out how long the ball was in the air. From there we could determine its halfway point in terms of time, and then sub that time in for t in the position function to get the height at that time. But in order to avoid that, which may actually lead to an estimation as opposed to the actual height and time, we will use calculus.
Keep in mind that the first derivative of the position function is velocity. You have learned in Physics that if an object is at the very tip-top of its travels it has 0 velocity (this is because the object HAS to stop moving in order to turn around and head the other direction). So we will simply find the function's derivative, set it equal to 0 and then solve for t. The position function is
The first derivative, aka as the velocity function, is
Setting it equal to 0:
-20 = -32t so
That is WHEN the object is at its max height. To find out what the max height it, we will sub that t value into the position function.
gives us that the ball's position at five-eighths of a second is 14.25 feet.
Answer: Undefined
Step-by-step explanation:
slope is undefined
no y intercept
This line is vertical
Answer:
Step-by-step explanation:
Required
The equation of the above linear function
From the table, we have:
Calculate slope (m)
The equation is:
So, we have: