2 years ago

Domain and range f(x) = -x 4+ x 2- x - 4

1 answer:

8 0

Answer: $\mathrm{Domain\:of\:}\:-x^4+x^2-x-4\::\quad \begin{bmatrix}\mathrm{Solution:}\:&\:-\infty \:$

$\mathrm{Range\:of\:}-x^4+x^2-x-4:\quad \begin{bmatrix}\mathrm{Solution:}\:&\:f\left(x\right)\le \:-2.94521\dots \:\\ \:\mathrm{Interval\:Notation:}&\:(-\infty \:,\:-2.94521\dots ]\end{bmatrix}$

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The speed s (in miles per hour) of a car driving on dry asphalt can be given by s=4.74d√, where d is the stopping distance (in f

xeze [42]

If ( s )stands for speed and later in the question it says that the car was going 55 miles per hour you will replace the s in the equation with the number 55.
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5 0

3 years ago

Find the value of x ?

Varvara68 [4.7K]

Answer:

x = 10

Step-by-step explanation:

$\frac{AE}{EC\\}$ = $\frac{DE}{BC}$