Hello please solve these with work shown

8. Evaluate: 9(f (-1)) y = R(x ) y = g(x) 12. Given the definitions of f (x) and g(x) below, find the value of f (9(4)). f(x) = 2x2 + 4x +2 g(x) = 1 - 2 13. Express your answer as a polynomial in standard form, f(x) = x+5 g(x) = 3x2 - x - 3 Find: g(f (x)) 9. Evaluate: g(f (4)) y = f(x) y = g(x) 10 14. Express your answer as a polynomial in standard form. 8 10 -10 -8 -6 6 8 10 f(x) = 2x +5 g (x ) = = + *+ 2 Find: (go f)(x) 10. Given the definitions of f (x ) and g(x) below, find 1 the value of g( f (1)). 15. Select the expression that is equivalent to f(z) = 3x2 - 2x - 13 A. V B. V5x C. V5x2 D. VE g(x) = -2x-5 16. Select the expression that is equivalent to 11. Given the definitions of f (a ) and g(x) below, find (2202 + 5) 2 the value of g( f (0)). B. f(x) = 2+4x -5 A. V(2a2 + 5)2 V (212+5)2 g(x) = 5x +6 C. V2x2 + 5 D. V212+5