Question 967022
Use the trapezoidal rule.
{{{b-a=25-1=24}}}
{{{N=8}}}
{{{sum(f)=3+2(4.6+4+6.2+6+5.5+5+7.8)+8=89.2}}}
{{{A=((b-a)/2N)*sum(f)}}}
{{{A=(24/16)*89.2}}}
{{{A=133.8}}}