19,037 views
37 votes
37 votes
Which is the graph of f(x) = 4(1/2)^x

Which is the graph of f(x) = 4(1/2)^x-example-1
User Jules
by
2.9k points

1 Answer

11 votes
11 votes

Answer:

B.

Explanation:

f(x) = 4(1/2)^x

Let's find the value of the function for x = 0 and for x = 1.

f(0) = 4(1/2)^0 = 4(1) = 4

f(1) = 4(1/2)^1 = 4(1/2) = 2

The only graph that has both points (0, 4) and (1, 2) is the second graph.

Answer: B.

User Reut Sharabani
by
3.2k points