Let h (x) = 2x+5, g (x) = 8-3x. What is the value of h (g (1.5)) ?

Question

Mathematics

Roger Lane

20 January, 07:02

Let h (x) = 2x+5, g (x) = 8-3x. What is the value of h (g (1.5)) ?

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Answers (1)

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Ayana Burgess · Answer 1

So your equation is a composite function. It means to plug 1.5 as x into g (x), then the answer you get for that, plug into h (x).

So.

g (1.5) = 8-3 (1.5)

=8-4.5

=3.5

Then.

H (3.5) = 2x+5

=2 (3.5) + 5

=7+5=12

Your final answer is 12.