Answer:
Step-by-step explanation:
(g-f)(3) = 20
g(3)=6 * (3) = 18
f(3)= 4-2(3) = 4 - 6 = -2
So
(g-f)(3) = 18 - (-2) = 20
9. 70° 10. 90° 11. 110°
12. 25°
13. 95°
14. 20°
the answer is 3 zz
C.
Hope this helped!!!