Question

F(s) = 3s + 2
p(s) = s³ + 4s
Find (f • p)(-5)

Answer 1

Soln ,

f○p=3(s^3+12s)+2

=3s^3+12s+2

By question,

=(f○p)(-5)=3×(-5)^3+12×(-5)+2

= -125-60+2

= -183