Express the function f(t) in terms of unit step functions. 1, 0 4 1, O a. f(t) = u2(t) + u4(t) O b. f(t) = 1+ uz(t) – u4(t) O c. f(t=u1(t) + u2(t) + u4(t) O d. f(t) =1 – uz(t) + u4(t)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Express the function f(t) in terms of unit step functions.
1, 0<t< 2
f(t) = {
0, 2<t< 4
1,
t> 4
O a. f(t)= u2(t) + u4 (t)
O b. f(t) = 1 + u2(t) – u4(t)
Oc f(t=u1(t) + u2(t) + u4(t)
OC.
O d. f(t) =1 – u2(t) + u4(t)
Transcribed Image Text:Express the function f(t) in terms of unit step functions. 1, 0<t< 2 f(t) = { 0, 2<t< 4 1, t> 4 O a. f(t)= u2(t) + u4 (t) O b. f(t) = 1 + u2(t) – u4(t) Oc f(t=u1(t) + u2(t) + u4(t) OC. O d. f(t) =1 – u2(t) + u4(t)
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