AnswersA. CostelloWCA 5324 Geometry 1st Nine Weeks 26-27Euclidean Geometry

Function Notation Answers

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The point (–3, –5) is on the graph of a function. Which equation must be true regarding the function?

A
f(–3) = –5
B
f(–3, –5) = –8
C
f(–5) = –3
D
f(–5, –3) = –2
2
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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.
3

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
4

Consider the function represented by the table.

Question illustration
A
–7
B
–4
C
4
D
5
5

The function f(x) is given by the set of ordered pairs.{(1,0), (–10,2), (0,6), (3,17), (–2,–1)}

A
f of negative 10 = 1
Option A
B
f of 2 = negative 10
Option B
C
f of 0 = 6
Option C
D
f of 1 = negative 10
Option D
6

The table represents a function.

Question illustration
A
–3
B
–1
C
1
D
3
7

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
8

On a coordinate plane, a straight line with a negative slope, labeled f of x, crosses the y-axis at (0, 4), and the x-axis at (4, 0).

Question illustration
A
f of 0 = 3
Option A
B
f of 5 = negative 1
Option B
C
f of 3 = 2
Option C
D
f of 2 = negative 2
Option D
9

The table represents a function.

Question illustration
A
–8
B
–1
C
1
D
8
10

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

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