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secondary 4 | A Maths
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Tiara
Tiara

secondary 4 chevron_right A Maths chevron_right Singapore

I need help with iv) only.
Please help!!

Date Posted: 1 year ago
Views: 231

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v = 20e⁵ᵗ + 5
From the equation, we can see that as t increases, 5t increases and hence e⁵ᵗ increases exponentially. This means that it is accelerating and dv/dt which is the gradient of v-t graph is positive, further concluding that its speed increases from P to Q.
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Tzu En
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