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What are the solutions to the equation
4x+21=-(1/3)^x+4 +6


a. x=-6 and x=-4

b. x= -6 and x = -5.75

c. x=3 and x= -5

d. x= -6 and x =3

Respuesta :

MrsStrong

Answer:

a. x=-6 and x=-4

Step-by-step explanation:

To solve the equation, graph the left side y = 4x + 21 as a line.

Then graph the right side y = 1/3^ (x+4) + 6.

Where the two intersect are the solutions.

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