12x^8 multiply the leading terms (2and 6) then add exponents (5and3)
Number 6 is {{{y=4x^3 - 7}}} solve for x
{{{4x^3=y+7}}}
{{{x^3=(y+7)/4}}}
{{{x=root(3,(y+7)/4)}}}
{{{f^(-1)=root(3,(x+7)
And Number 7 is Replace
f
(
x
)
f
(
x
)
with
y
y
.
y
=
3
x
x
+
2
y
=
3
x
x
+
2
Interchange the variables.
x
=
3
y
y
+
2
x
=
3
y
y
+
2
Solve for
y
y
.
f
−
1
(
x
)
=
−
2
x
x
−
3
***4 1/2
<span>2 + 9/4
1 + 13/4
3 + 5/4
(2 1/2) + (1 3/4) or 5/2 + 7/4
<span>
(1 1/8) + (3 1/8) or 9/8 + 25/8
</span></span>
***1 5/6
<span>(1 1/6) + (2/3) or 7/6 + 2/3
(1 1/3) + (1/2) or 4/3 + 1/2
(1 1/2) + (1/3) or 3/2 + 1/3
<span>
(1 2/3) + (1/6) or 5/3 + 1/6
I hope my answer has come to your help. God bless and have a nice day ahead!
</span></span>
If each game costs 2 tokens, 120 tokens would equal 60 games.