Exponential Functions
AP Precalculus · Flashcards
AP PRECALCULUS · FLASHCARDS
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QUESTION
Find the reflection of
f
(
x
)
=
2
x
f(x) = 2^x
f
(
x
)
=
2
x
across the x-axis.
QUESTION
What is the y-intercept of
f
(
x
)
=
1.5
×
10
x
f(x) = 1.5 \times 10^x
f
(
x
)
=
1.5
×
1
0
x
?
QUESTION
What is the initial value in
f
(
x
)
=
15
×
1.3
x
f(x) = 15 \times 1.3^x
f
(
x
)
=
15
×
1.
3
x
?
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ANSWER
15
15
15
. The coefficient 15 is the value when
x
=
0
x = 0
x
=
0
.
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