Answer:
f=10
Step-by-step explanation:
2fx(x)=f(x−1)=20x(x)
Multiply x and x to get x
2
.
2fx
2
=20xx
Multiply x and x to get x
2
.
2fx
2
=20x
2
The equation is in standard form.
2x
2
f=20x
2
Divide both sides by 2x
2
.
2x
2
2x
2
f
=
2x
2
20x
2
Dividing by 2x
2
undoes the multiplication by 2x
2
.
f=
2x
2
20x
2
Divide 20x
2
by 2x
2
.
f=10
carry in branly
