rebelfighter24ovin5h rebelfighter24ovin5h

18-11-2018
Mathematics

contestada

2^x +4^x +8^x = −14

What is x?

Respuesta :

18-11-2018

Answer: No real solution [tex]x\in\O[/tex]

Why? Because for any value of x

[tex]2^x>0\\\\4^x>0\\\\8^x>0[/tex]

Therefore

[tex]2^x+4^x+8^x > 0[/tex]

Answer Link

Otras preguntas

President Jackson viewed the national bank as blank

Ryan’s final art project is a square pyramid with a height of 11 cm. Ryan used 297 cm3 of clay to make his pyramid. What is the length of one side of the base o

___operating space means there is a restriction to the drivers line of sight

what does RACI stand forwhat does raci stand for

How many solutions are there for the equation? |x-4| = 9 a) one solution b) two solutions c) no solution

Help me...............

What type of bond do the fatty acids in unsaturated fats have? A. all single carbon–to–carbon bonds B. at least one double carbon–to–carbon bond C. car

Which of the following is a common technique advertisers use to mislead consumers into using "fad diets" to achieve optimal health and fitness? A Promoting exer

Mary lives 1365 miles from Brady. Brady drives at a constant rate of 60 mph and Mary travels at a constant rate of 45 mph. If they start driving toward each oth

Choose the equation for the graph.PLEASE HELP MEEEEEEE