S=400+0.15c
0.15 is the slope which represents that she gets $0.15 per sale she makes.
I believe it might be this: 100(2 + 7)
Answer:
you will get the same answer its just that one equation is the other way around
Answer:
f
−
1
(
x
)
=
1
2
x
+
5
Explanation:
f
(
x
)
=
2
x
−
10
→
Replace the
f
(
x
)
with
y
y
=
2
x
−
10
→
Switch the places of the x and the y
x
=
2
y
−
10
→
Solve for y
x
+
10
=
2
y
y
=
1
2
x
+
5
The inverse is
f
−
1
(
x
)
=
1
2
x
+
5