The velocity-time graph for a cycle is shown. 107
8
6
Velocity (m/s)
2
0
0 2 4 6 8 10
10 12 14 16 18 20
Time (seconds)
a) Work out the total distance travelled on the cycle.
b) Work out the acceleration in the last 8 seconds.

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The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.