(<=) less than equal to sign
(>=) greater than equal to sign
Solve
2.7(<=)b+5
a. b(>=)7.7
b. b(>=)-2.3
c. b(<=)2.3
d. b(<=)-7.7
C
A
B
B
D
:) is right
:) is right
:) is correct, thanks!
2.7 </= b + 5
-2.3 </= b
or
b >/= -2.3 which is c
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now check that
if b = -2.3 , the original must be true
2.7 = b+5 ???
2.7 </= -2.3 + 5 ???
2.7 = 2.7 yes
if b = -2 should also be true
2.7 < -2 + 5
2.7 < 3 yes