Answer:
<h3>-700</h3>
Step-by-step explanation:
![\frac{2.8}{-0.004}\\\\\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{a}{-b}=-\frac{a}{b}\\\\=-\frac{2.8}{0.004}\\\\\mathrm{Divide\:the\:numbers:}\:\frac{2.8}{0.004}=700\\\\=-700](https://tex.z-dn.net/?f=%5Cfrac%7B2.8%7D%7B-0.004%7D%5C%5C%5C%5C%5Cmathrm%7BApply%5C%3Athe%5C%3Afraction%5C%3Arule%7D%3A%5Cquad%20%5Cfrac%7Ba%7D%7B-b%7D%3D-%5Cfrac%7Ba%7D%7Bb%7D%5C%5C%5C%5C%3D-%5Cfrac%7B2.8%7D%7B0.004%7D%5C%5C%5C%5C%5Cmathrm%7BDivide%5C%3Athe%5C%3Anumbers%3A%7D%5C%3A%5Cfrac%7B2.8%7D%7B0.004%7D%3D700%5C%5C%5C%5C%3D-700)
Answer:
\mathrm{Domain\:of\:}\:x^3+3x^2-x-3\::\quad \begin{bmatrix}\mathrm{Solution:}\:&\:-\infty \:<x<\infty \\ \:\mathrm{Interval\:Notation:}&\:\left(-\infty \:,\:\infty \:\right)\end{bmatrix}
Step-by-step explanation:
Try this option:
1. according to the line on the graph x≥0 and x<9.
2. in answers a;b;c;d;e x<0, only in answer f. √x<3, x>0. It means, that answer 'f' is correct.
answer: f.