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Mathematics 10 Online
OpenStudy (texmechanica):

Find f(-2). f(x) = 9x2 - 5x + 2 A) 14 B) 18 C) 28 D) 48

OpenStudy (texmechanica):

@AihberKhan Please help.

OpenStudy (texmechanica):

@imqwerty Please help.

imqwerty (imqwerty):

f(-2) is nothing but the value of \(f(x)\) when you put x=-2 in that expression :) so \(f(x)=9x^2-5x+2\) putting x=-2 :) we get this- \(f(-2)=9(-2)^2-5(-2)+2\) now find the value of expression on right to get the answer :)

OpenStudy (texmechanica):

Geez, if this is easy for you then what grade are you in?

imqwerty (imqwerty):

11th :)

OpenStudy (texmechanica):

Gg.

OpenStudy (texmechanica):

9 th.

imqwerty (imqwerty):

:)

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