Is the relation a function?why or why not?

(0,1),(5,6),(7,9)

yes

Step-by-step explanation:

For every input (x) there is exactly one output (y).

the answer is 62.8 cubic units

5x + 5

step-by-step explanation:

you should always add the diagrams and graphs we cannot see. this particular question is kind of borderline because we can make a graph for you.

(f + g)x = -x^2 +3x + 5 + x^2 + 2x

(f + g)x = 5x + 5

the graph of z = 5x + 5 is shown below. always use desmos when in doubt.