Help and pls show work if u can

Which of the following is true for the relation f(x)=2x^2+1

Which is the correct first step in finding the area of the base of a cylinder with a volume of 26x cubic meters and a height of 6.5 meters? v=bh 6.5=b(26x) v=bh v=26pi+(6.5) v=bh v=26pi(6.5) v=bh 26pi=b(6.5)

Which graph represents the linear function below? y-3=1/2(x+2)