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lora16 [44]
3 years ago
15

Which exponential function has a growth factor of ?

Mathematics
2 answers:
ludmilkaskok [199]3 years ago
8 0
Letter B would be the correct answer
guajiro [1.7K]3 years ago
8 0

Answer:

So, only option-c and option-d are same

Step-by-step explanation:

(a) From Graph:

Firstly, we will find function of the graph

Let's assume exponential function as

f(x)=a(b)^x

we can select any two points and find 'a' and 'b'

f(0)=\frac{1}{2}

At x=0 , y=1/2:

we can plug values

f(0)=a(b)^0

\frac{1}{2}=a(b)^0

a=\frac{1}{2}

now, we can plug it back

and we get

f(x)=\frac{1}{2}(b)^x

At x=-1 , y=2:

we can plug values

f(-1)=\frac{1}{2}(b)^{-1}

2=\frac{1}{2}(b)^{-1}

b=\frac{1}{4}

now, we can plug it back

and we get

f(x)=\frac{1}{2}(\frac{1}{4})^x

(b) From chart:

Firstly, we will find function of the graph

Let's assume exponential function as

f(x)=a(b)^x

we can select any two points and find 'a' and 'b'

f(0)=\frac{1}{2}

At x=0 , y=1/2:

we can plug values

f(0)=a(b)^0

\frac{1}{2}=a(b)^0

a=\frac{1}{2}

now, we can plug it back

and we get

f(x)=\frac{1}{2}(b)^x

At x=1 , y=1:

we can plug values

f(1)=\frac{1}{2}(b)^{1}

1=\frac{1}{2}(b)^{1}

b=2

now, we can plug it back

and we get

f(x)=\frac{1}{2}(2)^x


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