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

Question

Imogen

Mathematics

24 July, 16:01

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

+3

Answers (1)

Know the Answer?

Selina Aguirre · Answer 1

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.

What are the solutions to the equation4x+21 = - (1/3) ^x+4 + 6a. x=-6 and x=-4b. x = - 6 and x = - 5.75c. x=3 and x = - 5d. x = - 6 and x = 3

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