math

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there are half as many 11th grade students in the band the are 9th grade students. how many 11th grade students are in the band

  • math -

    ok sorry

  • math -

    Lacking data. Need to know total band members.

  • math -

    Let f(x)= 2x+1 and g(x) = 3x^2-4

    find:

    a) f^-1

    b) gof (-2)

    c) fog (x)

  • math -

    pls

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