Need help on this ASAP please

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Iwill give you ! what is the measure of ∠v ?

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.