Answer:
This is so easy
Let me explain:
first lets find out (f+g)(x)=-x+3x+5+x^2+2x=
x^2+4x+5 this is the equation of a parabola because we have x^2
so only the first graph shows us a parabola
which remains the right one.
D.4 he should apply 4 treatments to each of the groups
Answer:
A. 55
Step-by-step explanation: