Posted by **mz tee** on Thursday, November 10, 2011 at 1:12am.

. Given the following function, f(x)=-x^2 -8x find:

(a) vertex, (b) axis of symmetry, (c) intercepts, (d) domain, (e) range,

(f) intervals where the function is increasing,

(g) intervals where the function is decreasing, and

(h) the graph of the function. Please show all of your work.

(Points : 15)

- math -
**Steve**, Thursday, November 10, 2011 at 5:26am
vertex: x = -b/2a = 8/-2 = -4, so y=-48: (-4,16)

axis: x = -4

x-intercepts: 0,-8

y-intercepts: 0

domain: all real x

range: all real y <= 16

y increasing where y' > 0

y' = -2x-8

y'>0 when x < -4

y decreasing for x > -4

## Answer this Question

## Related Questions

- algebra - Given the following function, find: (a) vertex (b) axis of symmetry (c...
- College Algebra - Here is the whole question... I have figured most of it out ...
- College algebra - Given the following quadratic equation find. a) the vertex b) ...
- college algebra - Given the following quadratic equation, find;? a. the vertex ...
- College Algrbra - Given the following quadratic equation, find a. the vertex b. ...
- college algebra - Given the following quadratic equation, find a. the vertex b. ...
- Please help! quadratic equation - Given the following quadratic equation find. a...
- college algebra - given the folowing quadratic equations find the vertex the ...
- calculus - answer the following for the given quadratic function f(x)=x^2-2x+1 a...
- College Algebra - 1.Answer the following for the given quadratic function. f(x...

More Related Questions