Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

secondary 4 | A Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Tiara
Tiara

secondary 4 chevron_right A Maths chevron_right Singapore

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

Date Posted: 2 years ago
Views: 254

See 1 Answer

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.
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Tzu En
Tzu En's answer
134 answers (Tutor Details)
1st