Which option is equivalent to the expression above

Which graph shows a function with a range of all real numbers greater than or equal to -1

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?