Answer:
7040
Step-by-step explanation:
C= 2000
B = 20/100 x 2000 = 400 + 2000 = 2400
A= 10/100 x 2400 = 240+2400= 2640
2000 + 2400 + 2640 = 7040
Answer: 5
To find the inverse, interchange the variables and solve for
y
.
f
−
1
(
x
)
=
4
+
2
$218