f(x) =4x+1
1) x= -2 => f(-2) = 4·(-2)+1 = -7
f(-2) = -7
2) x= -1,5 => f(-1,5) = 4·(-1,5)+1 = -5
f(-1,5) = -5
3) x= - 1/4 => f(-1/4) = 4·(- 1/4)+1 = 0
f(- 1/4) = 0
4) x= 0 => f(0) = 4·0+1 = 1
f(0) = 1
5) x= 1 => f(1) = 4·1+1 = 5
f(1) = 5
6) x= 1,5 => f(1,5) = 4·1,5+1 = 7
f(1,5) = 7
f(x) =4x+1
1) x= -2 => f(-2) = 4·(-2)+1 = -7
f(-2) = -7
2) x= -1,5 => f(-1,5) = 4·(-1,5)+1 = -5
f(-1,5) = -5
3) x= - 1/4 => f(-1/4) = 4·(- 1/4)+1 = 0
f(- 1/4) = 0
4) x= 0 => f(0) = 4·0+1 = 1
f(0) = 1
5) x= 1 => f(1) = 4·1+1 = 5
f(1) = 5
6) x= 1,5 => f(1,5) = 4·1,5+1 = 7
f(1,5) = 7