Saturday

April 19, 2014

April 19, 2014

Posted by **hokoslavia** on Sunday, March 16, 2008 at 6:38pm.

- algebra -
**Damon**, Sunday, March 16, 2008 at 6:56pmjust plod along

first do g(-7)

then do f(whatever you got for g)

- algebra -
**hokoslavia**, Sunday, March 16, 2008 at 7:01pmi got -55/7 is that right?

- algebra -
- algebra -
**Damon**, Sunday, March 16, 2008 at 7:32pmg(-7) = 4(-7) - 5 = -28 - 5 = -33

f(-33) = (-33)^2 + 6 = 1095 ???

- algebra -
**hokoslavia**, Sunday, March 16, 2008 at 7:46pmaccording to my multiple choices its a fraction a -55/7 b 384/7 c 295/49 d 63/55

- algebra -
**Damon**, Sunday, March 16, 2008 at 7:51pmThen there is a typo somewhere. There was no divide in the problem statement. Perhaps at x = -1/7 ??

- algebra -
**hokoslavia**, Sunday, March 16, 2008 at 7:56pmf(x)=x^2+6 and g (x) =x +8/xfind (f ° g)(-7) yep there was sorry

- algebra -
**Damon**, Sunday, March 16, 2008 at 8:00pmare you absolutely sure g(x) is not (x+8)/x ??

- algebra -
**Damon**, Sunday, March 16, 2008 at 8:03pmif g(x) = (x+8)/x

then

g(-7) = -1/7

then

f(-1/7) = 1/49 + 6

= 1/49 + 294/49

= 295/49

- algebra -
**Damon**, Sunday, March 16, 2008 at 8:07pmBUT

if it is as you wrote it

f(x)=x^2+6 and g (x) =x +8/xfind (f ° g)(-7) yep there was sorry

then

g(-7) = -7 + 8/-7

= -49/7 - 8/7=

= -57/7

the f(-57/7) = 57^2/49 +294/49

=3249/49 + 294/49

= 3543/49

which is not even on the list

- algebra -
**hokoslavia**, Sunday, March 16, 2008 at 8:08pmok then the other one is right im sorry and thank you

- algebra -
- algebra -
**Damon**, Sunday, March 16, 2008 at 8:09pmYou are welcome

**Related Questions**

algebra - confrused with this one too let f(x)=x^2+6 and g (x) =4x-5 find (f ° g...

Algebra II - Write y=x^2+4x-1 in vertex form. y=x^2+4x-1 y=(x^2+4x+8)-1-8 y=(x+2...

Algebra- is my answer right - The one-to-one function f is defined by f(x)=(4x-1...

algebra - thank everyone that site helped but now i just have to practice. for ...

Algebra - Two more Algebra questions : Drawing a blank on this one, not sure ...

Algebra - Two more Algebra questions : Having some difficulty with these. ...

Algebra-One to one function - Could you please check my answers and help me with...

Calculus - relative extrema x^4-2x^2+5 so far I know how to find the derivative ...

Intermediate Algebra - I am having trouble with these two. Can you please help ...

Math - Find the requested function and state its domain: f(x)= 4x+3 g(x)=4x-5 ...