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lys-0071 [83]
3 years ago
13

What effect does "a" have on the parent function y=1/x

Mathematics
1 answer:
Dvinal [7]3 years ago
7 0
Y=1/x is a reciprocal function & its shape is a special hyperbola with one branch located in the 1st Quadrant and the second in the 3dr Quadrant and both are symmetric about the origin O.
If a> 1 → y=a/x  and the 2 branches are equally stretched upward & downward
about the center O.
If  0 < a < 1→y =a/x, the 2 branches are equally stretched downward and upward about the center O.
If a<0, then the 2 legs are in the 2nd and 4th Quadrant respectively

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A druggist has two mixtures of a certain chemical and water, one containing 10% of the chemical and the other containing 40% of
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Solve:<br>.<br>.<br>.<br><br>PLS DON SPAM
MrRissso [65]
4
)
10(x+6)+8(x−3)=5(5x−4)

2 Expand.
10
x
+
60
+
8
x
−
24
=
25
x
−
20
10x+60+8x−24=25x−20

3 Simplify
10
x
+
60
+
8
x
−
24
10x+60+8x−24 to
18
x
+
36
18x+36.
18
x
+
36
=
25
x
−
20
18x+36=25x−20

4 Subtract
18
x
18x from both sides.
36
=
25
x
−
20
−
18
x
36=25x−20−18x

5 Simplify
25
x
−
20
−
18
x
25x−20−18x to
7
x
−
20
7x−20.
36
=
7
x
−
20
36=7x−20

6 Add
20
20 to both sides.
36
+
20
=
7
x
36+20=7x

7 Simplify
36
+
20
36+20 to
56
56.
56
=
7
x
56=7x

8 Divide both sides by
7
7.
56
7
=
x
7
56
​
=x

9 Simplify
56
7
7
56
​
to
8
8.
8
=
x
8=x

10 Switch sides.
x
=
8
x=8


Your answer is

X=8
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