Evaluate the integrals in Exercises 33–54.
∫8e^(x+1) dx

Evaluate the integrals in Exercises 33–54.

53. ∫ (e^r / (1 + e^r)) dr

Evaluate the integrals in Exercises 31–78.

31. ∫e^x sin(e^x)dx

Evaluate the integrals in Exercises 31–78.

33. ∫e^x sec²(e^x - 7)dx

Evaluate the integrals in Exercises 33–54.

∫(e^(3x) + 5e^(-x)) dx

Evaluate the integrals in Exercises 33–54.

∫ (e^(√r) / √r) dr

Evaluate the integrals in Exercises 33–54.

∫(from ln3 to ln2) (e^x) dx

Evaluate the integrals in Exercises 33–54.

∫(from ln4 to ln9)e^(x/2)dx

Evaluate the integrals in Exercises 69–134. The integrals are listed in random order so you need to decide which integration technique to use.

∫₋₁⁰ e^x / (e^x + e^(−x)) dx