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
I believe the answer would be 6.96 cm
Answer:
36 sq. cm
Step-by-step explanation:
triangle area= 0.5 * 12* 10
rectangle are= 8* 3
60 - 24 = 36
Answer:
1+0
Step-by-step explanation:
because your adding
The rate of change is x2. So, since it's forty, it became 80 because 40x2=80!
Good luck for a good grade!