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If h(x) = 2x – 1 and g(x) = x2 – 3, what is the value of h(g

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GMAT Club Legend
GMAT Club Legend
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Joined: 07 Jun 2014
Posts: 4710
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 91

Kudos [?]: 1612 [0], given: 375

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If h(x) = 2x – 1 and g(x) = x2 – 3, what is the value of h(g [#permalink] New post 30 Jul 2018, 09:54
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Question Stats:

100% (00:07) correct 0% (00:00) wrong based on 2 sessions
If \(h(x) = 2x – 1\) and \(g(x) = x^2 - 3\), what is the value of \(h(g(5))\)?

[Reveal] Spoiler: OA
43

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Sandy
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GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4710
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 91

Kudos [?]: 1612 [0], given: 375

CAT Tests
Re: If h(x) = 2x – 1 and g(x) = x2 – 3, what is the value of h(g [#permalink] New post 02 Aug 2018, 06:39
Expert's post
Explanation

The problem introduces two functions and asks for h(g(5)). When dealing with “nested” functions, begin with the innermost function:

\(g(5) = 52 - 3 = 22\)

\(h(22) = 2(22) - 1 = 43\)

Thus, \(h(g(5)) = 43\).
_________________

Sandy
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Re: If h(x) = 2x – 1 and g(x) = x2 – 3, what is the value of h(g   [#permalink] 02 Aug 2018, 06:39
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If h(x) = 2x – 1 and g(x) = x2 – 3, what is the value of h(g

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