Here given, 
and 
we have to find 
which means the subtracting of the functions f(x) and g(x).
= 
= 
= 
( we know that multiplication of negative and negative is positive)
= 
=
We have got the required answer here.
Answer:
Step-by-step explanation:
The ratio of boys to girls is
7
:
11
, and there are
49
boys, so therefore there are
49
7
⋅
11
=
77
girls
Total number of boys and girls in the classroom is
77
+
49
=
126
.
Answer:
c
Step-by-step explanation:
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