a40 b 110 c40 d10Solutionfxx29gx3x gfxgxfx gf13g13f13 gf1331

a.40 b. 1/10 c.40 d.10

Solution

f(x)=x²-9,g(x)=(3-x)

(g/f)(x)=g(x)/f(x)

(g/f)(-13)=g(-13)/f(-13)

(g/f)(-13)=(3-(-13)) /((-13)²-9)

(g/f)(-13)=16 /(169-9)

(g/f)(-13)=4 /160

(g/f)(-13)=1/40

not in options, u gave a,c same