Question

Choose the graph that shows the correct sum.

Answer 1

Answer:

The graph that shows the correct sum is:

                       Graph B

Step-by-step explanation:

We are given a graph of a function f(x) as a straight line that passes through (0,2) and (2,0).

Hence, the equation of f(x) is:

           $y=-x+2$

Also the graph of g(x) is a upward open parabola with vertex at (0,-3)

Hence, the equation of g(x) is:

          $y=x^2-3$

Now the sum function i.e. (f+g)(x) is given by:

      $(f+g)(x)=f(x)+g(x)$

Hence,

$(f+g)(x)=x^2-x-1$

    Hence, the graph that denotes this function is:

                           Graph B.

Answer 2

The answer I got was b