kashifhankhaitran kashifhankhaitran
  • 22-08-2022
  • Mathematics
contestada

Suppose f(x) = 2^-x +1. Find a such that f(a) = 3.

Respuesta :

chintw0 chintw0
  • 22-08-2022

Answer:

a = -1

Step-by-step explanation:

let [tex]2^{-x}+1[/tex] be 3

solve for x:

[tex]2^{-x}+1=3\\2^{-x}=2\\-x=log2(2)\\-x=1\\x=-1[/tex]

Answer Link

Otras preguntas

Write in Expanded form (-3x)^4 Use parenthesis to indicate multiplication
A triangle has two sides of length 4 and 7 what could the length of the third side be
Which type of movement is unique to the forearm?
The formula p=m/V, where ρ = density, m = mass, and V = volume, is used to calculate density. Solve this formula for m.
A student weighing 200N climbs a flight of stairs 7.0m high in 8s. What power is required to perform this task?
based on what you know about the function of gravity what type of planet would be located in the inner solar system​
What is the significance of S.S St.Lou
What is the literary significance of Santiago's dialogue about DiMaggio? A. foreshadowing B. supporting evidence C. symbolic D. descriptive language
What is Postural orthostatic tachycardia syndrome
20 POINTS!!!! AND BRAINIEST !!!! Examine the following sets of events.Set A: {1, 5, 7, 9, 14}Set B: {2, 5, 6, 8, 14, 17}Which of the following represents the i