5. Show that the function h(r, y) defined by if + y <1 h(r, y) = 0; if a + y >1 is discontinuous.

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
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Chapter6: Linear Transformations
Section6.CR: Review Exercises
Problem 39CR: For T:R5R3 and nullity(T)=2, find rank(T).
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5. Show that the function h(r, y) defined by
if a + y < 1
h(r, y) =
0;
if a + y 2 1
is discontinuous.
Transcribed Image Text:5. Show that the function h(r, y) defined by if a + y < 1 h(r, y) = 0; if a + y 2 1 is discontinuous.
Continuity
4. Let f(r, y) be a function defined on a disk D not containing the origin which
is given by
212
f(r, y) =
1² + y?
Show that
0 < f(x,y) < 2
for (r, y) e D.
Transcribed Image Text:Continuity 4. Let f(r, y) be a function defined on a disk D not containing the origin which is given by 212 f(r, y) = 1² + y? Show that 0 < f(x,y) < 2 for (r, y) e D.
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