Given f(x) = 5x2 – 3x + 1, find f(–9).
2007-12-02 11:45:17 · 8 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
f ( - 9 ) = 5x81 + 27 + 1
f ( - 9 ) = 405 + 28
f ( - 9 ) = 433
2007-12-05 06:04:14 · answer #1 · answered by Como 7 · 3⤊ 0⤋
5(-9^2) - 3(-9) + 1
5(81) + 27 +1
405 + 27 + 1
433
2007-12-02 11:49:54 · answer #2 · answered by Ms. Exxclusive 5 · 0⤊ 0⤋
5(-9^2) - 3 (-9) +1
5(81) +27 +1
405+27+1
433
2007-12-02 11:49:50 · answer #3 · answered by zainabainza 2 · 0⤊ 0⤋
433
2007-12-02 11:53:04 · answer #4 · answered by Shunu 3 · 0⤊ 0⤋
ans is
=5*(-9)^2-3*(-9)+1
=81*5+27+1
=433
2007-12-02 11:49:22 · answer #5 · answered by shrikant s 2 · 0⤊ 0⤋
it equals -9
u have to do the middle equation then it would equal 3 then plug in the 3 in all the f and u will get ur answer which is -9
2007-12-02 11:50:10 · answer #6 · answered by Anonymous · 0⤊ 0⤋
just substitute -9 for x in the equation.
2007-12-02 11:47:25 · answer #7 · answered by fantasylover830 2 · 1⤊ 0⤋
find f(–9). here it is
2007-12-02 11:48:14 · answer #8 · answered by Anonymous · 1⤊ 0⤋