II. Solving. Perform the indicated operations. Show your complete solution. (3 points each)
1. g(a) = a + 5a²
g(x) = 2x + 5
Find f(-4) = g(-4)

2. Ax) = -3x² + 3x
f(a) = 2a + 4
Find g(3)+f(3)

3. f(x) = 2x + 4
h(x) = x2 + 5x
Find g(x).h(x)

4. g(x) = 4x + 5
g(x) = 4x - 5
Find /(x) - 8(x)​