Constructing Linear and Exponential Functions
Algebra 1 · Flashcards
ALGEBRA 1 · FLASHCARDS
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QUESTION
What is the exponential function with
a
=
3
a=3
a
=
3
and factor
b
=
2
b=2
b
=
2
?
QUESTION
What is the initial value
a
a
a
of
y
=
9
(
1
3
)
x
y=9\left(\frac{1}{3}\right)^x
y
=
9
(
3
1
)
x
?
QUESTION
What is the linear function with slope
4
4
4
that passes through
(
3
,
−
2
)
(3,-2)
(
3
,
−
2
)
?
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ANSWER
y
=
4
x
−
14
y=4x-14
y
=
4
x
−
14
. Use point-slope form:
y
−
(
−
2
)
=
4
(
x
−
3
)
y-(-2)=4(x-3)
y
−
(
−
2
)
=
4
(
x
−
3
)
, then simplify.
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