23

g(x)=-2.4x

a)

-2.4x=-8

x=-8/-2.4

x=10/3

b)

g(9)=-2.4*9

g(9)=-21.6

24/

a)

f(3)=-3.5*3=-10.5

b)

-3.5x=-14

x=-14/-3.5

x=4

c)

f(-16)=-3.5*-16

f(-16)=56

d)

-3.5*x=21

x=21/-3.5

x=-6

g(x)=-2,4x

a)-2,4x=-8

x=8/2,4

X=3,3

b) g(9)=-2,4×9=-21,6

24)a)

f(x)=-3,5x

f(3)=-3,5×3=-10,5

b)-3,5x=-14

x=14/3,5=4

c) f(-16)=-3,5×-16=56

d)

f(21)=-3,5×21=-73,5