2 tens, 4 ones, 3 tenths, 5 hundredths, 7 thousandths
Dy/dx=-2x+15
d2y/dx2=-2
Since the acceleration is a constant negative it has an absolute maximum value for y(x), thus it opens downward, as x decreases without bound as x approaches ±∞
1. 8.96 x 105 I think
2. <span>4.25 x 10-4
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