22-05-2022
Mathematics

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The function h is defined by h (x)=x²-5.
Find h (2x).

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22-05-2022

Answer:

4x^2 - 5.

Step-by-step explanation:

h(x) = x^2 - 5

Replace the x in h(x) by 2x:

h(2x) = (2x)^2 - 5

= 4x^2 - 5.

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