Question

Which function rule models the function over the domain specified in the table below?

Х
f(x)
-11
-7
-1
1
3
9
4
11
7
17
f(x) = 3x + 10
Of(x) = 2x + 3
f(x) = 4x + 5
O f(x) = 3x - 10

Answer 1

f(x) = 2x +3

Explanation:

If we assume the first point in your table is supposed to be (-7, -11), then the function exhibits a constant slope of 2.

For example, from (x, y) = (3, 9) to (4, 11) the x-value changes by 1, but the y-value changes by 2.

The only offered answer choice with a slope (x-coefficient) of 2 is ...

f(x) = 2x +3