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Snezhnost [94]
3 years ago
10

What is the range of the exponential function shown below

Mathematics
2 answers:
kvv77 [185]3 years ago
6 0

Answer:

The correct option is C.

Step-by-step explanation:

Range is the set of output or the values of the function.

The given function is

f(x)=9\cdot 2^x

If a exponential function is defined as g(x)=a^x, where a>0, then the value of g(x) is always greater than 0, g(x)>0.

It means,

2^x>0

Multiply both sides by 9.

9\cdot 2^x>9\cdot 0

9\cdot 2^x>0

f(x)>0

The value of the function f(x) is always greater than 0, therefore the range of the function is

Range = { y | y>0}

Hence the correct option is C.

Vsevolod [243]3 years ago
3 0

Answer : y>0

f(x) = 9*2^x

f(x) is an exponential function

f(x) = 9*2^x

When we plug in positive value for x , the value of y is positive

When we plug in negative value for x , the value y is also positive

So for any value of x, the y value is positive always.

Range is the set of y values for which the function is defined

y values are positive , so range is y >0

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