Given f(x) = 3x2 + 7x and g(x) = 2x2 - X - 1, find f(x) + g(x).
2 answers:
I believe the answer is.
5x^2 + 6x - 1
f(x) is a fancy way of saying y. So for now I will refer to y.
f(x)
y=3x+2+7x
g(x)
y=2x2-x-1
3x+2+7x+(2x2)-x-1 = f(x)+g(x)
Now lets add
10x+2+4-x-1=f(x)+g(x)
9x+5=f(x)+g(x)
Brainliest/Heart would help
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