If g(x) = 2[x] − 1, what is g(−2.3)? -7 -5 -4 -3
Answer:
Option A is correct.
-7
Step-by-step explanation:
Greatest function:
It indicates an integral part of the real number which is smaller and nearest integer to.
For example:
\([99.999] =99\)
\([5.27] = 5\)
As per the statement:
If \(g(x) =2[x]-1\)
To find g(-2.3)
put x = -2.3
then;
\(g(-2.3) =2[-2.3]-1\)
⇒\(g(-2.3) =2(-3)-1\)
⇒\(g(-2.3)=-6-1= -7\)
Therefore, the value of g(-2.3) is, -7