Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §4.3 Inverse Functions and Their Derivatives, #20 · Calculus · Differentiation rules

From its graph show that … is invertible if … and also…

From its graph show that $y = ∣ x ∣ + c x$ is invertible if $c > 1$ and also if $c < - 1$ . The inverse of a piecewise linear function is piecewise ______.

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §4.3 Inverse Functions and Their Derivatives, #20

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