Answer to Question #278270 in Calculus for Sara

Question

Determine whether the function f is integrable on the interval [−1,1].

(a) f(x) = cosx

(b) f(x)={

x

|x|

x ≠ 0

0 x = 0

(c) f(x)={

1

x

2

x ≠ 0

0 x = 0

(d) f(x)={

Sin(

1

x

) x ≠ 0

0 x = 0