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Find fog(2) and gof(1) when: f: R rarr...

Find `fog(2)` and `gof(1)` when: `f: R rarr R ;f(x)=x^2+8` and `g: R rarr R ;g(x)=3x^3+1.`

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Given ` f(x) = x^2 + 8` and `g(x) = 3x^3 + 1. `
So,
`(fog)(2) = f(g(2)) `
`= f(3 × 2^3 + 1) `
`= f(3 × 8 + 1) `
...
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RD SHARMA-FUNCTION-Solved Examples And Exercises
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