20 POINTS!!! Determine the domain and range of the function

Mathematics

2 answers:

azamat3 years ago

8 0

Domain is all Real Numbers and Range is from 0, but not including 0, to infinity. So it would be the first one

UkoKoshka [18]3 years ago

7 0

The correct answer is the first one because:
1. x could be any number, it does not affect the function itself;
2, y approaches 0 since when x is infinitely big negative number (goes to negative infinity), $\sqrt[3]{108} ^{2x} -\ \textgreater \ 0$
However, since it will never reach 0, y never could be 0 as well.
So, the correct answer is The First One.

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PLEASE PLEASE PLEASE PLEASE (5'1, 5'2, 5'3, 5'4, 5'5, 5'6, 5'7, 5'8, 5'9, 5'9, 5'10, 5'11, 5'12)

Yakvenalex [24]

Answer:5

5 feet 7 inches

Step-by-step explanation:

first add all of the given together and then divide what you get by the number of terms given

(5'2+5'3+5'4+ 5'5+5'6+ 5'7+ 5'8+5'9+5'9,+5'10+5'11+5'12)/12 = 5'7 11/64 inches

then divide 11 by 64 on a calculator and then round the decimal you get to the nearest tenth which gives you the answer 5 feet 7 inches.

4 0

3 years ago

Given the equation Square root of 2x plus 1 = 3, solve for x and identify if it is an extraneous solution. x = 4, solution is ex

Darya [45]

$\text{The domain:}\\2x+1\geq0\to 2x\geq-1\to x\geq-0.5\\\\D:x\geq0.5\to x\in\left\ \textless \ 0.5;\ \infty\right)\\\\\sqrt{2x+1}=3\ \ \ \ |\text{square both sides} \\2x+1=3^2\\2x+1=9\ \ \ |-1\\2x=8\ \ \ \ |:2\\x=4\in D\\\\\text{Answer: x =0, solution is not extraneous}.$