G = 2.5
Use inverse operations. 9 / 3.6 = 2.5.
Answer:
n(x + y + z)
Step-by-step explanation:
The total number of apples bought is x+y+z. The total expense is the product of the cost and the number bought. If each one costs "n", then the cost is ...
n(x +y +z)
Answer:
(1, -9)
Step-by-step explanation:
4x + y = -5
8x + 3y = -19
If we have to use elimination, that means we're going to add or subtract these two whole equations by each other so that we can cancel out one of the variables.
I think that we could easily turn 4x into 8x if we multiply the top equation by 2.
4x + y = -5 ---> 8x + 2y = -10
Now put them next to each other, and subtract to get rid of the xs.
8x + 2y = -10
- 8x + 3y = -19
------------------------
0x - y = -10 - -19
-y = 9
y = -9
Plug this back in to get x.
4x + y = -5
4x - 9 = -5
4x = -5 - -9
4x = 4
x = 1
Answer:
f
(
x
)
=
x
^2 +
1
f
(
x
)
=
7
x^
2 +
5
x
−
4
f
(
x
)
=
4
(
x
−
3
)
^2
Step-by-step explanation:
