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allsm [11]
4 years ago
7

Evaluate f(x)=8(2)^x x=-3

Mathematics
1 answer:
skad [1K]4 years ago
7 0
Plug in -3 for x

f(-3) = 8(2^-3)

2^-3 = 1/2^3 = 1/6

f(-3) = 8(1/6)

f(-3) = 8/6

Simplify. Divide 2 from both numerator and denominator

f(-3) = (8/6)/(2/2)
f(-3) = 4/3

f(-3) = 4/3 , or 1 1/3

hope this helps
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Solve the equation 1/3m+6m-9/3m=3m-3/4m
vekshin1
M
=
0

O
r

m
=
23
15

Explanation:
1
3
m
+
6
m
−
9
3
m
=
3
m
−
3
4
m



⇒
1
+
6
m
−
9
3
m
=
3
m
−
3
4
m





⇒
−
8
+
6
m
3
m
=
3
m
−
3
4
m





⇒
(
−
8
+
6
m
)
×
4
m
=
(
3
m
−
3
)
×
3
m





⇒
−
32
m
+
24
m
2
=
9
m
2
−
9
m





⇒
−
32
m
+
24
m
2
−
9
m
2
+
9
m
=
0





⇒
15
m
2
−
23
m
=
0





⇒
m
(
15
m
−
23
)
=
0



m
=
0



Or


15
m
−
23
=
0
⇒
15
m
=
23
⇒
m
=
23
15
3 0
3 years ago
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