Posted by **Cymi** on Friday, March 8, 2013 at 6:22pm.

Determine the implied domain of the given function. Express in interval notation

(-4x^(2)-3x)/(2)

- Alg II Please HELP -
**bobpursley**, Friday, March 8, 2013 at 6:30pm
Why can't x be any real or complex number?

- Alg II Please HELP -
**Cymi**, Friday, March 8, 2013 at 6:30pm
THat's what the assignment says. I don't understand it

- Alg II Please HELP -
**bobpursley**, Friday, March 8, 2013 at 6:34pm
The domain of x goes from -infinity to + infinity.

- Alg II Please HELP -
**Damon**, Friday, March 8, 2013 at 6:48pm
f(x) = - (4x^2+3x)/2 =(-1/2)x(4x+3)

sketch a graph

x f(x)

-oo -oo

-3 -13.5

-2 -5

-1 -1/2

-3/4 0

-1/2 +.25

0 0

+1 -7/2

+oo -oo

it's domain is fine for all real x

On the other hand the range is limited and never gets higher than 9/32 at x = -3/8

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