Can someone me with these problems, i am having the literal worst time trying to do them

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

yes   because as the functions are graphed they eventually will intersect unless otherwise

step-by-step explanation:

the answer to your question is minor arc.