Question

sendo F (×)= 5×-8 e G (×)= ×+4 calcule:
A=F(2)
B=F(4)
C=G(3)
D=G(6)
E=4F(3)+5G(2)

Answer 1

A)
F(2)= 5.2-8
F(2)= 10-8
F(2)= 2

B)
F(4)= 5.4-8
F(4)= 20-8
F(4)= 12

C)
G(3)= 3+4
G(3)= 7

D)
G(6)= 6+4
G(6)= 10

F)
4F(3)+5G(2)
4(5.3 - 8) + 5(2 + 4)
4(15 - 8) + 30
28 + 30 = 58