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vera_ewing one year ago Math question

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1. vera_ewing

2. Michele_Laino

we can write this: R= requested rate $R = \frac{{f\left( {\pi /2} \right) - f\left( 0 \right)}}{{\left( {\pi /2} \right) - 0}} = \frac{{5 - 3}}{{\frac{\pi }{2}}} = ...?$

3. Michele_Laino

$\Large R = \frac{{f\left( {\pi /2} \right) - f\left( 0 \right)}}{{\left( {\pi /2} \right) - 0}} = \frac{{5 - 3}}{{\frac{\pi }{2}}} = ...?$

4. campbell_st

what us the rise in the curve between the points...? then you know the run is $\frac{\pi}{2}$

5. vera_ewing

2/1.57 ?

6. Michele_Laino

yes! better is: 4/pi

7. vera_ewing

So the answer is D. 4/pi ?

8. campbell_st

leave it as an exact value remember dividing by a fraction means you flip and multiply $2 \times \frac{2}{\pi}$

9. Michele_Laino

that's right!

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