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How?
second question
Is it talking about the graph above? Do you have another picture with it zoomed out?
Better?
i know you have too make a different equation for each slope. To than sketch it
I'm assuming you know calculus... \[ \large \int v(t) = x(t) \] \[\large v(t)=\left\{ \begin{array}{c l} 2t, &0 < x \le 5 \\ 10, & 5<x \le 10 \\ -t, & x > 10 \end{array}\right.\] Find the integral for v(t) -- of the functions given. Tell me what they are.
Sorry it took so long to reply; I haven't done that before in LaTeX...
the first inequality is a quadratic for x(t) second constant at 10 third a quadratic?
im not good with definite integrals
Here are the integrals for each of them: \[\large \int v(t)=\left\{ \begin{array}{l l} {4t^2\div 2 + C}, &0 < x \le 5 \\ 10t + C, & 5 <x \le 10 \\ -t^2 \div 2 + C, & x > 10 \end{array}\right.\] To turn this into x(t), you need to replace those Cs with the values on the preceding piece of the function. So: \[\large x(t)=\left\{ \begin{array}{l l} {4t^2\div 2} + 0, &0 < x \le 5 \\ 10t + x(5), & 5<x \le 10 \\ -t^2\div 2 + x(10), & x > 10 \end{array}\right.\]
So for\[ t=0 \] \[x=10\]
\[t=5\] \[x=35\]
|dw:1352095460002:dw| i need one of these graphs of x(t)
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