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D1.1. Evaluate f(a) by using the definition of derivative of a function f(x) = 4x2 + 3x – 5 at a = -2. [4 Marks] D1.2. (a) F
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solution flal = 42²+37-5 a=-2 o fla) = lim flach - fla) ho h flzl= lim fl-zah) - fl-2) hoo h lim (+2+h² +31-2th) -(4(-2) 731-lim hoo * +4h-16h fo +3h 45 Toth as h 4h²_16h+3h lim hoo lim K14h-16+3) hoo b h lim th-16+3 hoo 4101-16+3 =- = -16+3 = -13 2en he can [ces tram (x2+52-2))). Esin (lam(1731-2)). Itais (x²+32-2) dy = coscasctan (+37-21]] (sin(tan (23734-2))). da set (

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D1.1. Evaluate f'(a) by using the definition of derivative of a function f(x) = 4x2 +...
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