Monday

January 26, 2015

January 26, 2015

Posted by **Urgent!!** on Saturday, April 17, 2010 at 8:37pm.

If f(x) = x^2 + 12 and g(x) = x^2 - 5, find (g*f)(x)

- Math -
**Damon**, Saturday, April 17, 2010 at 8:45pmf(x) = x^2 + 12 and g(x) = x^2 - 5, find (g*f)(x)

g(f) = (x^2 + 12)^2 - 5

= x^2 +24 x +144-5

= x^2 + 24 x +139

- Math -
**Reiny**, Saturday, April 17, 2010 at 8:46pm(g*f)(x) or (g○f)(x)

=g(f(x))

= g(x^2+12)

= (x^2+12)^2 - 5

= x^4 + 24x^2 + 139

**Answer this Question**

**Related Questions**

Function compostions - Sorry I had to repost, I left somethings out. Can you ...

Math - Can you show me the work to get these answers also? A.Solve each equation...

Chemistry - Calculate the % composition of H2S. Then determine the number of ...

chemistry - Calculate the % composition of H2S. Then determine the number of ...

Science - Calculate the % composition of H2S. Then determine the number of grams...

Functon compostions - Can you please check my answers? For the given functions f...

Math - Find the Exact Value of the Composition cos(arcsin(1/4))

english - Suppose you are exploring a subject for a composition. Which one of ...

calculus - Suppose that the number of bacteria in a plate of food is given by N(...

calculus - Suppose that the number of bacteria in a plate of food is given by N(...