30 POINTS PLEASE HELP! Which of these is an example of a piecewise-defined function? (See picture below)

Me. i need an answer asap. , you! select the correct answer from each drop-down menu. simplify the given polynomial and use it to complete the statement. the polynomial simplifies to an expression that is a blank with a blank degree of blank .

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Sketch one cycle if the cosine function y=2cos2theta