<span><em>D(x) is a function.</em> TRUE. It is a function of x.
</span><span><em>x is the dependent variable.</em> FALSE. x is the independent variable because the function is expressed in terms of the independent variable.
</span><span><em>D(6) = 3</em>. FALSE. D(6) = 2(6) = 12. D(6) should be equal to 12.
</span><em>D(x) is a direct variation.</em><span> TRUE.</span><span> This holds true to the definition of direct variation where one variable is related to the other variable at the same constant multple. In this case, it is 2.
</span><span><em>D(x) is a rule for the set of points (5, 10), (6, 12) and (-2, -4).</em> TRUE. If you replace x with the first coordinate, the function would be equal to the corresponding second coordinate.</span>
When adding two negative numbers, add the absolute value of the numbers and keep the negative sign.
Answer:
18.54
Step-by-step explanation:
15.55 X 7% = 1.0885
15.55 + 1.0885 = 16.6385 X 18% = 2.99493
15.55 + 2.99493 =18.54493
Unsure of what you want.
If you are merely to mult. the 3x3 matrix by -8, then mult. every one of the 9 elements in the first matrix by -8. That's it.
If there was more to this problem, please share the instructions.
