If where and denotes greatest integer less than or equal to
MATHEMATICS · Single correct · AP · AP Precalculus · Exponential and Logarithmic Functions · Exponential and Logarithmic Functions
Problem
If k=limx→0+(Min.(t2−6(t+x)+12)+[xln(1+2x)]) where t∈R and [y] denotes greatest integer less than or equal to y, then the value of 23k is equal to
(a) 4
(b) 3
(c) 6
(d) 9