Let f (z) = 2 z² +6 z +5. We will use the definition of derivative to find the deivativ (1) What is the definition of derivative of ƒ (z)? O f' (x) = lim h→0 f(z+2 h)–f(z+h) 2 h O f' (z) = lim f(z+h)-f(z-h) h0 O f' (z) = „lim f(z+h)-f(z) h→0 O f' (2) = f(z+h)-f(z) h (1i) Which one is the corect statement (the next step to find f' (z) by definition)? 2 (z+h)² +6(z+h)+5-(2 z² +6 z+5) f' (z) = lim h→0 h 2 (z+2 h)²+6(z+2 h)+5-(2 2²+6 z+5) O f' (z) = lim 2 z² +6 z+5+ h -(2 2² +6 z+5) O f' (z) = _lim h→0 2 (z+h)² +6(z+h)+5–(2 z²+6 z+5) O g' (z) h

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