Lucylu1286 Lucylu1286 Today at 3:28 AM Mathematics Answered Evaluate the following: a. ∫_-1⁶ (2+e⁻³t) Δ (t-3)dt b. ∫_-1⁶ (2+e⁻³t) Δ (t-7)dt c. ∫_-1⁶ (2+e⁻³t) Δ (t)dt