3 years ago

Find the measure of Angle 5. measure of angle 7 = 2x+15 measure of angle 8 = 3x

Mathematics

1 answer:

belka [17]3 years ago

5 0

* 7 = 2x+15
-2X = 15 - 7
X = 8/-2
x = -8/2

*8 = 3x
3x = 8
x = 8/3

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What is the domain of the function y = 2 StartRoot x minus 5 EndRoot?

Juli2301 [7.4K]

Answer:

The domain of the function should be:

'x greater than or equal to negative -5'.

Hence, option A is true.

Step-by-step explanation:

Given the expression

$2\sqrt{x-5}$

The domain of a function is the set of input or arguments for which the function is real and defined

We know that the value, inside the radicand, is the number found inside a radical symbol which must be greater than 0, otherwise, it would make the function undefined,

i.e.

x-5 ≥ 0

x ≥ 5

In other words, the domain of the function should be:

'x greater than or equal to negative -5'.

Therefore, the domain of the function:

x ≥ 5

$\mathrm{Domain\:of\:}\:2\sqrt{x-5}\::\quad \begin{bmatrix}\mathrm{Solution:}\:&\:x\ge \:5\:\\ \:\mathrm{Interval\:Notation:}&\:[5,\:\infty \:)\end{bmatrix}$