Question Function Find the inverse Evaluate the derivative Find the domain Load more f−1(λ)=λ2π Evaluate k=2×λπSimplify k=λ2πInterchange λ and y λ=y2πCalculate More Steps Evaluate λ=y2πSwap the sides of the equation y2π=λCross multiply 2π=yλSimplify the equation 2π=λySwap the sides of the equation λy=2πDivide both sides λλy=λ2πDivide the numbers y=λ2π y=λ2πSolution f−1(λ)=λ2π Show Solution Solve the equation Solve for λ Solve for k λ=k2π Evaluate k=2×λπSimplify k=λ2πSwap the sides of the equation λ2π=kCross multiply 2π=λkSimplify the equation 2π=kλSwap the sides of the equation kλ=2πDivide both sides kkλ=k2πSolution λ=k2π Show Solution Graph