Question

What is the domain of the function f(x) = 2/3x – 7 when the range is {–3, 1, 5}?

Answer 1

Is there answer choices?

Answer 2

@umm No.

Answer 3

what do u think the answer is

Answer 4

@KAPALOTJAY I don't know what the answer is. I need someone to explain it to me since I am perplexed.

Answer 5

We find f(-3)=(-3)^2+3(-3)-7
= 9-9-7
=-7
then f(2)= 2^2+3(2)-7
= 4+6-7
=3
then f(5)= 5^2+3(5)-7
=25+15-7
= 33
the rang ={-7,3,33}

Answer 6

range*

Answer 7

@KAPALOTJAY Thank you.

Answer 8

\(\color{#0cbb34}{\text{Originally Posted by}}\) @mercvriii
@KAPALOTJAY Thank you.
\(\color{#0cbb34}{\text{End of Quote}}\)
you are welcome

Answer 9

\(\color{#0cbb34}{\text{Originally Posted by}}\) @mercvriii
@KAPALOTJAY Thank you.
\(\color{#0cbb34}{\text{End of Quote}}\)
best response?

Answer 10

thx

Answer 11

@KAPALOTJAY Sure!

Answer 12

\[f(-3)=(-3)^2+3(-3)-7\]\[= 9-9-7\]\[=-7\]
\[f(2)= 2^2+3(2)-7\]\[= 4+6-7\]\[ =3\]
\[f(5)= 5^2+3(5)-7\]\[=25+15-7\]\[= 33\]
Therefore\[ ={-7,3,33}\]

Answer 13

\(\color{#0cbb34}{\text{Originally Posted by}}\) @KAPALOTJAY
We find f(-3)=(-3)^2+3(-3)-7
= 9-9-7
=-7
then f(2)= 2^2+3(2)-7
= 4+6-7
=3
then f(5)= 5^2+3(5)-7
=25+15-7
= 33
the rang ={-7,3,33}
\(\color{#0cbb34}{\text{End of Quote}}\)
Quote your sources or that's considered plagiarism--

Answer 14

umm, the problem asks What is the domain of the function f(x) = 2/3x – 7 when the range is {–3, 1, 5}?

So you would plug in -3, 1 and 5 for f(x) and solve for x

Answer 15

@umm @darkknight Thank you! :)

Answer 16

@KAPALOTJAY (sources) - https://www.wyzant.com/resources/answers/214971/for_f_x_x2_3x_7_what_is_the_range_of_the_function_when_the_domain_is_3_2_5

Answer 17

@darkknight Thanks this helped!

Answer 18

np