12.07.2015 Views

Active Calculus - Gvsu - Grand Valley State University

Active Calculus - Gvsu - Grand Valley State University

Active Calculus - Gvsu - Grand Valley State University

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2.7. DERIVATIVES OF FUNCTIONS GIVEN IMPLICITLY 572.7 Derivatives of Functions Given ImplicitlyPreview Activity 2.7. Let f be a differentiable function of x (whose formula is not known) and recallthat ddx [f(x)] and f ′ (x) are interchangeable notations. Determine each of the following derivativesof combinations of explicit functions of x, the unknown function f, and an arbitrary constantc.(a)(b)(c)(d)(e)d [x 2 + f(x) ]dxd [x 2 f(x) ]dxd [c + x + f(x)2 ]dxd [f(x 2 ) ]dxd[xf(x) + f(cx) + cf(x)]dx⊲⊳

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