For the first one you would put 1,2,3,4 in the top then in the bottom you would put 15,30,45,60
So if OP is a segment joining center O to point P, the MN is touching the circle on point P so it would be line MN.
You divide 19 by 25 and then multiply by 100. The percent Jasmine got on her test is 76%.
Range is just input the domain
so find f(-2), f(0) and f(2)
f(-2)=-(-2)²+1=-4+1=-3
f(0)=-(0)²+1=0+1=1
f(2)=-(2)²+1=-4+1=-3
range={-3,1}