For f(x) = log 2 (x), between which two integers does f(40) lie? Explain
f(40) = log2 (40)
A log just represents an exponent
What we are really asking is, "What power do we put on 2 to give us 40 ?"
Note
2^5 = 32
And
2^6 = 64
So..... f(40) lies between 5 and 6
+491 
