Question

dada a função f(x)= y = 2 x-1, calcule
a) f(0)
b) f(1)
c) f(-1)
d) f(-5)

Answer 1

$f(x)=2x-1\\ \\ f(0)=2*0-1=0-1=-1\\ \\ f(1)=2*1-1=2-1=1\\ \\ f(-1)=2(-1)-1=-2-1=-3\\ \\ f(-5)=2(-5)-1=-10-1=-11$