Help urgently. Which one should I circle?

What is the standard form of -5x^2+2x^4-11+x^3+3x

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

Which of the following is an equation of a line parallel to the equation y=4x+1?