# What is the range of #f(x) = -3^x - 1#?

##### 1 Answer

Oct 13, 2015

The answer is

#### Explanation:

- The exponential function
#3^x# has values in#RR_{+}# - The minus sign makes the range
#(-oo;0)# - Substracting 1 moves the graph one unit down and therefore moves the range to
#(-00;-1)#

graph{(y+3^x+1)(y+1)=0 [-14.24, 14.23, -7.12, 7.12]}