Question

na função f (x) = 2x + 1.    determine :  A: F(5)  B: F(-1/2)

Answer 1

$f(x)=2x+1 \\ a) f(5)=2*5+1=11 \\b)f( \frac{-1}{2} ) = 2* (\frac{-1}{2}) +1= 0 :.$