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  1. If the dot is multiplication, then f(2x -x) = f(x) * f(x) f(x) = f(x) * f(x) u = u^2; could solve by quadratic formula to find u = 0 or 1. Cannot be 0. f(x) = 1 assuming f(x) is restricted to real and complex numbers.

    2 Answers · Science & Mathematics · 28/06/2020

  2. find A & B so that A / ( 3 - x ) + B / ( 3 + x ) = 1/ (9 - x²).......partial fractions

    4 Answers · Science & Mathematics · 29/04/2020

  3. (a) f($339) = 0.65($339) = $220.35 g($339) = 0.08(0.65 ($339)) = $17.63 h($339) = (f+g)($339) .............= f($339) + g($339) .............= $220.35 + $17.63 .............= $237.98.........................ANS ---------------------------- (b) The new lawn mower is $237.98; his neighbor's lawn mower is $250...

    4 Answers · Science & Mathematics · 24/04/2020

  4. Height of trapezoid (assuming bases are parallel) is (1/4)(12) = 3 in. A = (1/2)(h)(b1 + b2) = (1/2)(3)(12 + 4) = (3/2)(16) = 24 in^2 P = 5 + 5 + 4 + 12 = 26 in.

    2 Answers · Science & Mathematics · 13/08/2020

  5. Note : I haven't done a calculus course before and I've only done this in Spirit...6) / (s) s = 27 ft. Ok so now we have a fully labelled diagram (minus the rates of change) Note 2: Right, so if I haven't made a mistake yet, then here is where it goes downhill...

    3 Answers · Science & Mathematics · 17/10/2019

  6. (1) Note that this is a part of the circle x^2+y^2=9. The question is...

    1 Answers · Science & Mathematics · 05/02/2020

  7. Problem 1: a. Note that in this case, it's important that we use what we call a two-tailed test...

    1 Answers · Science & Mathematics · 13/08/2020

  8. Simple, make note of your rules for logarithms, i.e. log (a^b) = b log (a). ...

    3 Answers · Science & Mathematics · 20/02/2020

  9. note that the set of all rational functions contains as a subset  all the...

    4 Answers · Science & Mathematics · 10/07/2020

  10. note dimension is a x b where a= row,  b= column   The dimension of the matrix is 4 x 2...

    3 Answers · Science & Mathematics · 26/09/2020

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