Please please please in a hurry

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

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

If the table of the function contains exactly two potential turning points, one with an input value of –1, which statement best describes all possible values of m? m ≥ –12 –12 < m < 4 m ≤ 4 m ≥ 4 or m ≤ –12