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frutty [35]
3 years ago
5

What function is represented below?

Mathematics
2 answers:
Irina-Kira [14]3 years ago
8 0

Answer:

The correct option is 3, i.e., f(x)=(\frac{1}{4})^{x-2}.

Step-by-step explanation:

From the graph it is clear that as x tends to infinity, then the value of function tends to 0 and y-intercept of the function is at above (0,8).

In option 1:

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

At x=0,

f(0)=(\frac{1}{4})^{0+2}=0.063

The y-intercept of this function is 0.063, which is less than 8, therefore option 1 is incorrect.

In option 2:

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

At x=0,

f(0)=(\frac{1}{4})^{0}+2=3

The y-intercept of this function is 3, which is less than 8, therefore option 2 is incorrect.

In option 3:

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

At x=0,

f(0)=(\frac{1}{4})^{0-2}=16

The y-intercept of this function is 16, which is more than 8, therefore option 3 is correct.

In option 4:

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

At x=0,

f(0)=(\frac{1}{4})^{0}-2=-1

The y-intercept of this function is -1, which is less than 8, therefore option 4 is incorrect.

Paladinen [302]3 years ago
4 0
By graphing the given options as shown in attached figure
<span>f(x) = (1/4)^x+2   ⇒⇒⇒⇒ The black graph
f(x) = (1/4)^x +2  </span><span>⇒⇒⇒⇒ The red graph
</span> f(x) = (1/4)^x-2    <span><span>⇒⇒⇒⇒ The blue graph
</span></span><span><span /> f(x) = (1/4)^x -2   ⇒⇒⇒⇒ The green graph
</span>

The correct answer will be the blue graph

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



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