508,543 views
28 votes
28 votes
Which of these statements is true for f(x)= (in."?A. The range of f(x) is y> 10B. The domain of f(x) is x>0.O c. The y-intercept is (0,1).O D. It is always increasing.

User Maurice Kelly
by
2.6k points

1 Answer

14 votes
14 votes

Given function is


f(x)=((9)/(10))^x

The range of the function is greater than 9/10 only for positive x.

We know that the exponential function is increasing.

Hence the function is increasing.

So the answer is D.

User Rgb
by
2.9k points