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Let f\ a n d\ g\ be real functions defi...

Let `f\ a n d\ g\ ` be real functions define by `f(x)=x+2` and `g(x)=4-x^2dot` Then, find each of the following function: `f*g`

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`f(x) dot g(x)=(x+2)(4-x^2)`
`=4x-x^3+8-2x^2`
`=-x^3-2x^2+4x+8`
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RD SHARMA-FUNCTIONS-Solved Examples And Exercises
  1. Let f\ a n d\ g\ be real functions define by f(x)=x+2 and g(x)=4-x^2d...

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  2. Let f\ a n d\ g\ be real functions define by f(x)=x+2 and g(x)=4-x^2d...

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  3. Let f\ a n d\ g\ be real functions define by f(x)=x+2 and g(x)=4-x^2d...

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  4. Find the domain and range of each of the following functions given by ...

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  5. Find the domain and range of the function given by f(x)=1/(sqrt(x-[x])...

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  6. Find the domain and range of each of the following functions given by ...

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  7. Find the domain of the function f given by f(x)=1/(sqrt([x]^2-[x]-6))

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  8. Let f(x)=2x +5 and g(x)=x^2+xdot Describe i. f+g ii. f-g iii. fg iv. f...

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  9. Let f,\ g be two real functions defined by f(x)=sqrt(x+1\ )a n d\ g(x)...

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  10. Let f,\ g be two real functions defined by f(x)=sqrt(x+1\ )a n d\ g(x)...

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  11. Let f,\ g be two real functions defined by f(x)=sqrt(x+1\ )a n d\ g(x)...

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  12. Let f,\ g be two real functions defined by f(x)=sqrt(x+1\ )a n d\ g(x)...

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  13. Let f,\ g be two real functions defined by f(x)=sqrt(x+1\ )a n d\ g(x)...

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  14. Let f,\ g be two real functions defined by f(x)=sqrt(x+1\ )a n d\ g(x)...

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  15. Let f,\ g be two real functions defined by f(x)=sqrt(x+1\ )a n d\ g(x)...

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  16. If f,\ g,\ h are real functions defined by f=sqrt(x+1),\ g(x)=1/x\ a n...

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  17. Let f, g : R -> R be defined, respectively by f(x)=x+1 ,g(x)=2x-3 . Fi...

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  18. Le f:[0,\ oo)->R\ a n d\ g: R->R be defined by f(x)=sqrt(x) and g(x)=x...

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  19. Let f(x)=x^2 and g(x)" "=" "2x" "+" "1 be two real functions....

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  20. Write the range of the real function f(x)=|x|dot

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