Ineed with this question on this attachment

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

What is the value of f(x) = 2.2 for f(-2)?

Which of the following equations are equivalent to -2m - 5m - 8 = 3 + (-7) + m? -15m = -4m -7m - 8 = m - 4 -3m - 8 = 4 - m m - 4 = -7m - 8 -8 - 7m = -4 + m -8 - 3m = 4 - m