ag204351
ag204351 ag204351
  • 02-01-2020
  • Mathematics
contestada

Solve equation for X by graphing -2x-3=3^x+2
A.x=-2.75
B.x=-2
C.x=-1.75
D.x=-2.5

Respuesta :

calculista
calculista calculista
  • 08-01-2020

Answer:

Option D. x=-2.5

Step-by-step explanation:

we have

[tex]-2x-3=3^x+2[/tex]

I can divide the expression above in a system of two equations

[tex]y=-2x-3[/tex] ----> equation A

[tex]y=3^x+2[/tex] ----> equation B

Solve by graphing

The solution is equal to the x-coordinate of the intersection point both graphs

using a graphing tool

The intersection point is ( -2.5,2.1)

see the attached figure

therefore

The solution is x=-2.5

Ver imagen calculista
Answer Link
aydengoad6730
aydengoad6730 aydengoad6730
  • 09-03-2022

Answer:

D) -2.5

Step-by-step explanation:

Answer Link

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