Understanding Functions, Domain, and Range
Algebra 1 · Flashcards
ALGEBRA 1 · FLASHCARDS
Card 1
of 47
0 got it
0 to review
Current
Got it
Still learning
Not seen
QUESTION
What is the output variable called when the function is written as
y
=
f
(
x
)
y=f(x)
y
=
f
(
x
)
?
QUESTION
What does it mean if
f
(
3
)
=
10
f(3)=10
f
(
3
)
=
10
?
QUESTION
Identify the output when
f
(
x
)
=
x
2
−
1
f(x)=x^2-1
f
(
x
)
=
x
2
−
1
and the input is
x
=
3
x=3
x
=
3
.
Tap to flip before you grade
ANSWER
8
8
8
. Substitute
x
=
3
x=3
x
=
3
:
f
(
3
)
=
3
2
−
1
=
9
−
1
=
8
f(3)=3^2-1=9-1=8
f
(
3
)
=
3
2
−
1
=
9
−
1
=
8
.
Swipe → got it · swipe ← still learning
Got it
Still learning
Flip Card
Previous card
Next card