Asked by alisha

If F (x)= 2x^2-5x-3
Determine f (-4)

F (-4)=2 (-4)^2-5 (-4)-3

(I'm confused like do I use bedmas to solve this? )

F (-4)= 16-(-20)-3
F (-4)=36-3
F (-4)=33

Is that right?
Answered by Steve
almost. You forgot the 2x^2

f(-4) = 2*16+20-3
Answered by alisha
Ohh. So the answer is f (-4)=49
Answered by Steve
that's better.
Answered by alisha
Thank you
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