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Www.ixl.com
BB. 7 Checkpoint: Understand functions 6NP
Questions
answered
This table shows a relation that is a function.

x

y

50
30

30
20

20
70

40
10

Which of the following ordered pairs could be included in the table and have the relation
SmartScore
out of 100
Time
elapsed
00
50
10
17

(10,10)

(40,20)

(70,20)

(-30,20)
Submit
13
Work it out
Not feeling ready yet? These can help:
Identify functions
Identify functions: graphs (45)
Complete a table for a function graph

Www.ixl.com $\newline$ BB. $7$ Checkpoint: Understand functions $6$ NP $\newline$ Questions $\newline$ answered $\newline$ This table shows a relation that is a function. $\newline$ $\newline$ $x$ $\newline$ $y$ $\newline$ $\newline$ $50$ $\newline$ $30$ $\newline$ $\newline$ $30$ $\newline$ $20$ $\newline$ $\newline$ $20$ $\newline$ $70$ $\newline$ $\newline$ $40$ $\newline$ $10$ $\newline$ $\newline$ Which of the following ordered pairs could be included in the table and have the relation $\newline$ SmartScore $\newline$ out of $y$ $0$ $\newline$ Time $\newline$ elapsed $\newline$ $y$ $1$ $\newline$ $y$ $2$ $\newline$ $y$ $3$ $\newline$ $y$ $4$ $\newline$ $y$ $5$ $\newline$ Submit $\newline$ $y$ $6$ $\newline$ Work it out $\newline$ Not feeling ready yet? These can help: $\newline$ Identify functions $\newline$ Identify functions: graphs ( $y$ $7$ ) $\newline$ Complete a table for a function graph

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Identify functions

Full solution

Q. Www.ixl.com

\newline

BB.

7

Checkpoint: Understand functions

6

NP

\newline

Questions

\newline

answered

\newline

This table shows a relation that is a function.

\newline

\newline

x

\newline

y

\newline

\newline

50

\newline

30

\newline

\newline

30

\newline

20

\newline

\newline

20

\newline

70

\newline

\newline

40

\newline

10

\newline

\newline

Which of the following ordered pairs could be included in the table and have the relation

\newline

SmartScore

\newline

out of

y

0

\newline

Time

\newline

elapsed

\newline

y

1

\newline

y

2

\newline

y

3

\newline

y

4

\newline

y

5

\newline

Submit

\newline

y

6

\newline

Work it out

\newline

Not feeling ready yet? These can help:

\newline

Identify functions

\newline

Identify functions: graphs (

y

7

)

\newline

Complete a table for a function graph

Identify $x$ -values: Identify existing $x$ -values in the table: $50$ , $30$ , $20$ , $40$ .
Check for repeats: Check if the $x$ -values in the options repeat any existing $x$ -values: $\newline$ - $(10,10)$ $x$ -value = $10$ $\newline$ - $(40,20)$ $x$ -value = $40$ $\newline$ - $(70,20)$ $x$ -value = $x$ $0$ $\newline$ - $x$ $1$ $x$ -value = $x$ $3$ $\newline$ Only $(40,20)$ repeats an $x$ -value already in the table.
Evaluate impact of repeat: Determine if adding the repeating $x$ -value pair $(40,20)$ affects the function status: Existing pair with $x=40$ is $(40,10)$ . Adding $(40,20)$ would mean two different $y$ -values for the same $x$ -value, which is not allowed in a function.

More problems from Identify functions

Question

We want to factor the following expression:

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x^{4}+9

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Which pattern can we use to factor the expression?

\newline

U

V

are either constant integers or single-variable expressions.

\newline

1

\newline

(U+V)^{2}

(U-V)^{2}

\newline

(U+V)(U-V)

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(C) We can't use any of the patterns.

Posted 3 months ago

Question

z=-19+3.14 i

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What are the real and imaginary parts of

z

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1

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\begin{array}{l} \operatorname{Re}(z)=-19 \text { and } \\ \operatorname{Im}(z)=3.14 \end{array}

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\begin{array}{l} \operatorname{Re}(z)=3.14 i \text { and } \\ \operatorname{Im}(z)=-19 \end{array}

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\begin{array}{l} \operatorname{Re}(z)=-19 \text { and } \\ \operatorname{Im}(z)=3.14 i \end{array}

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\begin{array}{l} \operatorname{Re}(z)=3.14 \text { and } \\ \operatorname{Im}(z)=-19 \end{array}

Posted 3 months ago

Question

\begin{array}{l}z=-60-12 i \\ \operatorname{Re}(z)= \\ \operatorname{Im}(z)=\end{array}

Posted 3 months ago

Question

z=-45 i-15.5

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What are the real and imaginary parts of

z

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1

\newline

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\begin{array}{l} \operatorname{Re}(z)=-45 \text { and } \\ \operatorname{Im}(z)=-15.5 \end{array}

\newline

\newline

\begin{array}{l} \operatorname{Re}(z)=-15.5 \text { and } \\ \operatorname{Im}(z)=-45 \end{array}

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\begin{array}{l} \operatorname{Re}(z)=-45 i \text { and } \\ \operatorname{Im}(z)=-15.5 \end{array}

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\begin{array}{l} \operatorname{Re}(z)=-15.5 \text { and } \\ \operatorname{Im}(z)=-45 i \end{array}

Posted 3 months ago

Question

z=-12 i+11

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What are the real and imaginary parts of

z

\newline

1

\newline

\newline

\begin{array}{l} \operatorname{Re}(z)=11 \text { and } \\ \operatorname{Im}(z)=-12 \end{array}

\newline

\newline

\begin{array}{l} \operatorname{Re}(z)=11 \text { and } \\ \operatorname{Im}(z)=-12 i \end{array}

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\begin{array}{l} \operatorname{Re}(z)=-12 i \text { and } \\ \operatorname{Im}(z)=11 \end{array}

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\begin{array}{l} \operatorname{Re}(z)=-12 \text { and } \\ \operatorname{Im}(z)=11 \end{array}

Posted 3 months ago

Question

(18+4 i)+(-11+23 i)=

\newline

Express your answer in the form

(a+b i)

Posted 3 months ago

Question

(14+60 i)+(-30+2 i)=

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Express your answer in the form

(a+b i)

Posted 3 months ago

Question

(3-91 i)+(67)=

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Express your answer in the form

(a+b i)

Posted 3 months ago

Question

(-71+2 i)+(88-12 i)=

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Express your answer in the form

(a+b i)

Posted 3 months ago

Question

(-33-2 i)-(50+9 i)=

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Express your answer in the form

(a+b i)

Posted 3 months ago