Question

The distance traveled, in meters, of a coin dropped from a tall building is modeled by the equation d(t) = 4.9t2 where d equals the distance traveled at time t seconds and t equals the time in seconds. What does the average rate of change of d(t) from t = 3 to t = 6 represent?

Answer 1

The coin travels an average distance of 44.1 meters from 3 seconds to 6 seconds.

The coin falls down with an average speed of 14.7 meters per second from 3 seconds to 6 seconds.

The coin falls down with an average speed of 44.1 meters per second from 3 seconds to 6 seconds.

The coin travels an average distance of 14.7 meters from 3 seconds to 6 seconds.

Answer 2

@ninjasandtigers

Answer 3

x/t is speed. So the rate of change will be related to speed. At t=3; the coin is falling at 29.4m/s and at t-6; the coin is falling at 58.8m/s. If you take these and add them together, then divide by 2, you'll get rate per 3 seconds. Divide by 3 and you get 14.7m/s.

Answer 4

that means its A?

Answer 5

OR C?

Answer 6

i think d

Answer 7

ok thanks i have one more question :))))

Answer 8

Determine which of the following statements is true concerning the values described in column #1 and column #2.

Column #1

Column #2

The x-coordinate of the vertex of the graph of
y = -2×2 – 4x + 12

The x-coordinate of the vertex of the graph of
y = x2 – 4x + 3

The value found in column #1 is greater than the value found in column #2.

The value found in column #1 is less than the value found in column #2.

The value found in column #1 is equivalent to the value found in column #2.

The relationship between column #1 and column #2 cannot be determined by the information given.

Answer 9

a

Answer 10

thanks

Answer 11

welcome :)