I really need help this is the only time I can take this again

a) Domain: { -6, 0, 5}

Range: { -1, 3 }

b) Domain: { all real values }

Range: { less than/equal to -2 }

c) Domain: { -4《x < -1 U x > 1 }

Range: { > -1 }

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).