odettecruz
odettecruz odettecruz
  • 02-02-2016
  • Mathematics
contestada

If (-3, y) lies on the graph of y = 3^-x, then y =

Respuesta :

Leader
Leader Leader
  • 02-02-2016
Simply plug in x= -3 in to y = 3^-x, and solve for y.

[tex]y=3^{-(-3)}\\\\y = 3^3\\\\\boxed{\bf{y=27}}[/tex]

So, the point (-3, 27) lies on the graph of y = 3^-x.

Your final answer is y = 27.
Answer Link
Kytten
Kytten Kytten
  • 02-02-2016
Because (-3, y) is a solution of y = 3^-x, substitute -3 into the equation for x. So y = 3^-(-3) = 3^3 = 3 x 3 x 3  = 27. Answer y = 27, the point is (-3, 27)
Answer Link

Otras preguntas

Another term for doing your fair share of work is A. balancing horizontal and vertical relationships. B. being prompt. C. carrying your own weight. D. communic
The length of a rectangle is twice its width, the perimeter is 126 fee. h
rename the number 120,000 ten thousands
All of the following developments helped make the cattle business profitable except: A. barbed-wire fences B. new railroads and refrigerated cars. C. growing
"Determine whether the following statement is always, sometimes, or never true. Give examples to justify your answer. The product of two decimals less than 1 is
What did french aristocrats do in an effort to keep their privileges?
How do you write w = 7.5h in function notation?
What do you need to do to extend a number pattern
How are archaea and bacteria alike? a. To survive, they must live in cold environments. b. Their cells are small and lack a nucleus. c. Their genetic materia
What steps might a scientists take when he or she tests a hypothesis