Hi Jessicaprado539!
The constant proportionality of this equation would be the value that relates the two amounts. In this case, that would be 2/3
I believe that it would be 13, unless you were trying to make the 9 negative. Hope that helps.
X2 - 16, is the answer. The first one.
x^2 - 16 = (x)^2 - 4^2, difference of two squares :)
Answer:
Explanation:
f ( −
3
) basically means substitute −
3 for x in the function −
5
x
f
(
−
3
)
=
−
5
(
−
3
)
−
7
f
(
−
3
)
=
15
−
7
f
(
−
3
)
=8
Step-by-step explanation:
