1103019604

SubArea: 
Exponential Functions
Level: 
B
Project ID: 
1103019604
Accepted: 
1
Clonable: 
0
Easy: 
1
What are the values of the real variable \( x \), if \( 0.7^x \leq 1 \)? Use the graph of \( f(x)=0.7^x \) given below.
\( x\in[0,\infty) \)
\( x\in(-\infty,0) \)
\( x\in(-\infty,0] \)
\( x\in(0,\infty) \)