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  • 3 years ago

r(t)=-t^3 - 2t^2 + t +4 r(1) and r(-2)

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  1. teic85
    • 3 years ago
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    I'm assuming you want to know the value of r(t) at r(1) and r(-2). So, just plug in 1 for t in the expression and do the math. Then, plug in (-2) for t and do it again. If you get stuck, here's the solution for r(1): r(1) = 2

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