AnswersWV-Algebra I CRIntroduction to Functions

Function Notation Answers

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Consider the function represented by the table.

Question illustration
A
f(9)=5.
B
f(5)=9.
C
f(5, 9)=14.
D
f(9, 5)=14.
2
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Consider the function represented by with x as the independent variable. How can this function be written using function notation?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
3

The table represents a function.

Question illustration
A
–3
B
–1
C
1
D
3
4

The function f(x) is given by the set of ordered pairs.{(8, –3), (0, 4), (1, –5), (2, –1), (–6, 10)}

A
f(–3) = 8
B
f(3) = 5
C
f(8) = 0
D
f(–6) = 10
5

The height of a rocket a given number of seconds after it is released is modeled by . What does t represent?

Question illustration
A
the number of seconds after the rocket is released
B
the initial height of the rocket
C
the initial velocity of the rocket
D
the height of the rocket after t seconds
6

Consider the function represented by the equation . Which answer shows the equation written in function notation with x as the independent variable?

Question illustration
A
f of x = 6 x + 9
Option A
B
f of x = one-sixth x + three-halves
Option B
C
f of y = 6 y + 9
Option C
D
f of y = one-sixth y + three-halves
Option D
7

Which statements about the function are true? Choose three options.

A
g of 1 = negative 1
Option A
B
g of 0 = 0
Option B
C
g of 4 = negative 2
Option C
D
g of 1 = 1
Option D
E
g of negative 1 = 1
Option E
8

The table represents a function.

Question illustration
A
–8
B
–1
C
1
D
8
9

If point (4, 5) is on the graph of a function, which equation must be true?

A
f(5)=4
B
f(5,4)=9
C
f(4)=5
D
f(5,4)=1
10

Consider the function represented by the equation 6q = 3s - 9. Write the equation in function notation, where q is the independent variable.

A
f of q = one-half q minus three-halves
Option A
B
f(q) = 2s + 3
C
f of s = one-half s minus three-halves
Option C
D
f(q) = 2q + 3

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Function Notation Answers — WV-Algebra I CR