A car increases, then decreases, its speed. Which table could represent the speed of the car?
1 answer:
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Sorry it's quite complex, simplify then... had to use an nspire
1. x=1.22248
2. x=15624.8
3. x=0.057522 (shown in picture)
4. x=-0.732487
too bad i cant upload more than 1 pic
1. x=1.22248
2. x=15624.8
3. x=0.057522 (shown in picture)
4. x=-0.732487
too bad i cant upload more than 1 pic
We know that the line is tangent at the point (2,8)
The derivative of the function at x=2 is
So, the tangent line passes through the point (2,8) and has slope 2. The equation is
This line crosses the x axis where y=0: