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sergeinik [125]
3 years ago
13

F(x) = 6 • (0.4)x. then determine which answer choice matches the graph you drew. (Please help)

Mathematics
2 answers:
ladessa [460]3 years ago
6 0

Answer:B

Step-by-step explanation: It’s a decay function

Anton [14]3 years ago
6 0

Answer:

The correct option is B.

Step-by-step explanation:

The general form of an exponential function is

g(x)=ab^x              .... (1)

Where, a is initial value and b is growth or decay factor.

If b>1, then it is an increasing function and if 0<b<1, then it is a decreasing function.

The given function is

f(x)=6\cdot (0.4)^x           .... (2)

From (1) and (2) it is clear that

a=6,b=0.4

The value of a is 6. It means the initial value or y-intercept of the function is 6.

The value of b is 0.4, which is less than 1. It means the function is a decreasing function.

Graph B represent a decreasing function with initial value 6. Therefore the correct option is B.

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