MediumPartial derivatives

Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §13.3 Tangent Planes and Linear Approximations, #22 · Multivariable Calculus · Partial derivatives

(a) 2 hits and 3 outs … will raise your average …

(a) 2 hits and 3 outs $(d x = 2, d y = 5)$ will raise your average $(d A > 0)$ provided $A$ is less than ______.
(b) A player batting $A = .500$ with $y = 400$ at bats needs $d x =$ ______ hits to raise his average to $.505$ .

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §13.3 Tangent Planes and Linear Approximations, #22

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