16+16+16+9+9=32+16+9+9=48+9+9=57+9=66
The answer is 66
Answer:
f(x)=x^2+3
f(x+y)=(x+y)^2+3
this is done by replacing x with (x+y)
f(x+y)=x^2+2xy+y^2+3
therefore : f(x+y)= x^2+y^2+2xy+3
Answer:
47/5 or 9 2/5
Step-by-step explanation:
12/1-13/5
60-13/5
=47/5
For the first one a = 2.5. For the second one m = 4. For the third one m = -4