Hello. I NEED HELP WITH THIS EQUATION MY OWN TUTOR GAVE ME TO SOLVE. ASAP :)

f(x) = 3x

^{2}+ x - 7The notation f(-3) means f(x=-3). So all you have to do is set the x equal to -3 in the equation and compute the answer:

f(-3) = 3(-3)

^{2}+ (-3) - 7------------

f(-3) = 3(9) - 3 - 7 = 27 - 10 = 17

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