ariannalovelady12 ariannalovelady12
  • 25-02-2019
  • Mathematics
contestada

Evaluate the function y=3(1/2)^x for X=-3
A. -18
B. 24
C.9/8
D.-1/6

Respuesta :

MrsStrong
MrsStrong MrsStrong
  • 25-02-2019

Answer:

B

Step-by-step explanation:

To evaluate the function, substitute x = -3. Since it is a negative exponent, it will create the reciprocal of the base.

[tex]y = 3 (\frac{1}{2})^x\\\\y = 3 (\frac{1}{2})^{-3}\\\\y = 3 (\frac{2}{1})^3\\y = 3 (2^3)\\y = 3(8)\\y=24[/tex]

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