Question

Which is the range of the function f(x) = 1/7 (9)x

Answer 1

Range of f(x) = 1/7(9)x =
All real numbers greater than 0.

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Answer 2

Interval notation for range is (0, ∞)

Explanation:

f(x)= 1/7 (9)^x

`f(x)= (1)/(7) (9)^x`

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

For all positive and negative values for x the value of y is always positive

so the range y value is greater than 0

Range of the function is y values greater than 0

y>0

Interval notation for range is (0, ∞)