anonymous
  • anonymous
If h(x) = 3x − 1 and j(x) = −2x, solve h[j(2)] and select the correct answer below.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
−11 11 −13 13
jdoe0001
  • jdoe0001
hmm, what's J(2) anyway?
anonymous
  • anonymous
@zepdrix @mathmate

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More answers

anonymous
  • anonymous
j(2)=j(x) x=2. @jdoe0001
jdoe0001
  • jdoe0001
well,, j(x) = -2x so if x = 2 that means j(2), then j(2) = ?
anonymous
  • anonymous
-4
jdoe0001
  • jdoe0001
yeap so now we know that j(2) = -4 thus \(\bf h({\color{brown}{ j(2)}}\iff h({\color{brown}{ -4}}=-3({\color{brown}{ -4}})-1\)
anonymous
  • anonymous
okay so -4=11
jdoe0001
  • jdoe0001
hmm \(\bf h({\color{brown}{ j(2)}})\iff h({\color{brown}{ -4}})=-3({\color{brown}{ -4}})-1 \\ \quad \\ h(j(2))=-12-1\implies h(j(2))=-13\)
anonymous
  • anonymous
so c, -13? Thanks for the help. Can you help with one more?
jdoe0001
  • jdoe0001
hmm actually have a typo, is 13 no -13 but anyhow \(\bf h({\color{brown}{ j(2)}})\iff h({\color{brown}{ -4}})=3({\color{brown}{ -4}})-1 \\ \quad \\ h(j(2))=-12-1\implies h(j(2))=-13\)
jdoe0001
  • jdoe0001
sure, post anew, thus more eyes
anonymous
  • anonymous
so 13
anonymous
  • anonymous
not -13
jdoe0001
  • jdoe0001
3* -4 = -12 -12 - 1 = -13
anonymous
  • anonymous
so the answer is -13?
jdoe0001
  • jdoe0001
well... the answer is \(\bf h({\color{brown}{ j(2)}})\iff h({\color{brown}{ -4}})=3({\color{brown}{ -4}})-1 \\ \quad \\ h(j(2))=-12-1\implies h(j(2))=-13\) :)
anonymous
  • anonymous
but its multiple choice, so h(j(2))=-13
anonymous
  • anonymous
thanks!
jdoe0001
  • jdoe0001
yw

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