Question

Evaluating Functions
.
Table
.
.
Function rule
Graph
*
у
f(x) = 2x - 1
y
8
1
1
f(1) = 20
= 2
b) – 1
,7)
6
2
3
(3,5)
4.
= 2-1
(2,3)
3
5
2
, 1)
X
4
7
2
4
6
8

Answer 1

Answer:

$f(x) = 2x - 1 \\ f(1) = 2(1) - 1 \\ = 2 - 1 \\ = 1 \\ f(x) = 2x - 3 \\ f(2) = 2(2) - 3 \\ = 4 - 3 \\ = 1 \\ f(x) = 2x - 5 \\ f(3) = 2(3) - 5 \\ = 6 - 5 \\ = 1 \\ f(x) = 2x- 7 \\ f(4) = 2(4) - 7 \\ = 8 - 1\\ = 1$