Which exponential function is represented by the graph?
f(x) = 2(2)x
f(x) = 1/2(2)x
f(x) = 1/2(1/2)^x
f(x) = 2(1/2)^x
Answers
Given : graph
To Find : Which exponential function is represented by the graph?
f(x) = 2(2)^x
f(x) = 1/2(2)^x
f(x) = 1/2(1/2)^x
f(x) = 2(1/2)^x
Solution:
points on graph
x f(x)
-1 0.25
0 0.5
1 1
Lets check each function
x f(x) = 2(2)^x
-1 1
0 2
1 4
x f(x) = 1/2(2)^x
-1 1/4 = 0.25
0 1/2 = 0.5
1 1 = 1
x f(x) = 1/2(1/2)^x
-1 1
0 1/2
1 1/4
x f(x) =2(1/2)^x
-1 4
0 2
1 1
f(x) = 1/2(2)^x represented by the graph
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Answer:
A
Step-by-step explanation: