Let and for . Explain why the equation must have at least one real solution in the…

MATHEMATICS · Subjective · AP · Calculus AB · Limits and Continuity · Limits and Continuity

Problem

Let

f(x)=\ln x

and

g(x)=x-2

for

1\le x\le 4

. Explain why the equation

f(x)=g(x)

must have at least one real solution in the interval

[1,4]