f(x)= 2x+3 dan g(x)= 3x^2-2x+5. nilai (g o f)(-2) adalah... secepatnya yaa...

jawab
f(x) = 2x+3
g(x) = 3x² - 2x + 5
gof(-2) = g {f(-2)}  = g {2(-2)+3} = g(-1)
gof(-2) = 2(-1) + 3 
gof(-2) = 1