Determine the domain of the function f (x)= 1/5x^2+23x+12

answer choices in photo

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

If angle 2=3x +1 and angle 3=2x +4what is angle 2

What is coefficient of the term of degree of degree 5 in the polynomial below