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(b) Suppose oil spills from a ruptured tanker and spreads in a circular pattern, If the radius of the oil spill increases at a constant radius is 28 m? 176 1 x m/s 1 Web Assign fall 2021 - Calculus | (51) 13. [0.75/1 Points] DETAILS PREVIOUS ANSWERS SCALCETOM 3.2.046. Suppose that f(4) = 3, 9(4) = 4, f'(4) = -2, and g'(4) = 5. Find h'(4) (a) h(x) = 21(x) +59(x) h' ( 4 ) = 21 (b ) h(x ) = f( x )9 (x ) h'(4) = 7 (c) h(x) = _( x ) ") 9(x) h'(4) = -23/16 9(x) (d) h(x) f(x) + g(x) h'(4) = -6 Enhanced Feedback Please try again. You have to use either the Sum, Difference, P uct, or Quotient Rule to solve these problems. To app use the formula -[f(x) + 9(x)] = ((x) + 9(x). To apply the Difference Rule o factors of the d "[Kx) - 9(x)] =