Let f(x)=2x2+5x−3, g(x)=x2−4x+2, and h(x)=−x2+4x−2. Select all of the expressions that are equivalent to 3x2+x−1

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(3 points)
Responses

f(x)−h(x)

f(x)+h(x)

g(x)−h(x)

g(x)+f(x)

h(x)−f(x)

f(x)+g(x)

f(x)+g(x)