Unformatted text preview: a) 5 x + 5 x +1 = 3750 b) 7 x +2 + 4 Â· 7 x1 = 347 5) Solve the equations: a) 5 2 x5 x600 = 0 b) 9 x3 x6 = 0 c) 4 x + 2 x +1 = 80 d) 3 x + 9 x1810 = 0 Answers to selected exercises: 1) a) 28 âˆš 3 b) (3 Â· 2 20 ) âˆš 3 2) a) x = 3 c) x =3 f) x =3 3) c) x â‰¥ 4 e) x >8 g) x < 8 i) x <10 4) a) x = 4 b) x = 1 5) a) x = 2 c) x = 3 d) x = 4 1...
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 Fall '10
 a
 Exponential Function, Equations, Exponential Functions, Harshad number, Exponentiation, Power of two, simpler form

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