Function Definitions & Notation
ACT Math · Flashcards
ACT MATH · FLASHCARDS
Card 1
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QUESTION
Simplify
f
(
x
+
1
)
f(x+1)
f
(
x
+
1
)
if
f
(
x
)
=
x
2
f(x)=x^2
f
(
x
)
=
x
2
.
QUESTION
For
f
(
x
)
=
x
x
+
1
f(x) = \frac{x}{x+1}
f
(
x
)
=
x
+
1
x
, what is the vertical asymptote?
QUESTION
Identify the function that is constant for all inputs.
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ANSWER
f
(
x
)
=
c
f(x) = c
f
(
x
)
=
c
, where
c
c
c
is a constant. A constant function outputs the same value regardless of input.
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