Questions Answered

hby0214:
Group Title
Let f:R2→R be defined by
f(x,y)= 1 if xy≥0
0 if xy<0.
…
 updated one year ago
 1 reply
 No Medals Yet

hby0214:
Group Title
Let f:R2→R be defined by
f(x,y)= 1 if xy≥0
0 if xy<0.
…
 updated one year ago
 10 replies
 No Medals Yet

hby0214:
Group Title
Show that the set
T ={(w,x,y,z)∈R4 such that y=w and x^2 =z^4}
…
 updated one year ago
 21 replies
 1 Medal

hby0214:
Group Title
The graph of f is a subset of the domain of f. Is this always true or sometimes false?
 updated one year ago
 24 replies
 2 Medals