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junior college 1 | H2 Maths
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junior college 1 chevron_right H2 Maths chevron_right Singapore

need help with this question, please explain too

Date Posted: 1 year ago
Views: 501

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PhysChemTutor
Physchemtutor's answer
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Wee Wen Shih
Wee Wen Shih's answer
135 answers (Tutor Details)
Correct expression should have been
h(x) = [u(x) - u(x-5)] |x - 2|

The signal |x - 2| is switched on between x=0 and x=5, so that explains the shape of the graph I sketched.

Highest value of h(x) is 3 and lowest value of h(x) is 0, hence 0 <= h(x) <= 3.

Thank you.