Which expression is equivalent to (f + a)(4)

a)f(4) + g(4)
b)f(x) + g(4)
c)f(4 + g(4)
d)4(f(x) + g(x))

What is the pattern in the values as the exponents increase?

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?