kk ini kk mohon segera di jawab ok

f(x , y) = 3x + 2y
g(x , y) = x² - y²

a.
f(2 , 2) = 3(2) + 2(2) = 10
g(1 , 2) = 1² - 2² = -3

b.
f{g(1 , 2) , 3}
=>f{-3 , 3} = 3(-3) + 2(3) = -3