diketahui fungsi f(x) linear jika fungsi (2x+1) = 5x+2 nilai f (-5) adalah...
Jawab:
fungsi
f(2x + 1) = 5x + 2
nilai f(5) = . . .
2x+ 1 = -5
2x = -6
x = -3
f(-5) = 5(-3) + 2
f(-5) = - 15 + 2
f(-5) = - 13