1.S={(λ,μ):f(t)=(∣λ∣et−μ)sin(2∣t∣)S=\{(\lambda,\mu):f(t)=(|\lambda|e^t-\mu)\sin(2|t|)S={(λ,μ):f(t)=(∣λ∣et−μ)sin(2∣t∣) is differentiable}\}} is subset ofa.R×[0,∞)\mathbb{R}\times[0,\infty)R×[0,∞)b.(−∞,0)×R(-\infty,0)\times\mathbb{R}(−∞,0)×Rc.[0,∞)×R[0,\infty)\times\mathbb{R}[0,∞)×Rd.R×(−∞,0]\mathbb{R}\times(-\infty,0]R×(−∞,0]Login to continueOnly logged in users canattempt or see the solution.