shainaanderson24
23.06.2019 •
Mathematics
Which function is a quadratic function? h(t) = 12 – 8t + 6t3 g(t) = 7t2 + 3t3 + 2t k(t) = 3t4 + 3t2 + 4 h(t) = 12 – t + 6t2
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Ответ:
mrbilldoesmath!
answer: a parabola
steps:
(x-1)(x+4) = x(x+4) - 1(x+4) = (x^2 + 4x) - (x+4)
= x^2 +4x -x -4 = x^2 +3x -4
which is a parabola
mrb