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Given g(x)=3x๐‘”(๐‘ฅ)=3๐‘ฅ and h(x)=x4โ„Ž(๐‘ฅ)=๐‘ฅ4 , find (gh)(x)

Question

Given g(x)=3x๐‘”(๐‘ฅ)=3๐‘ฅ and h(x)=x4โ„Ž(๐‘ฅ)=๐‘ฅ4 , find (gh)(x)

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Solution

To find the composition of two functions, (gh)(x), you substitute the second function, h(x), into the first function, g(x).

Here, g(x) = 3x and h(x) = x^4.

So, (gh)(x) = g(h(x)) = g(x^4).

Substitute h(x) = x^4 into g(x):

(gh)(x) = 3 * (x^4) = 3x^4.

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