Question

For the function f(x) = x + 7, what is the ordered pair for the point on the graph when x = 2b?
(2b, 2b + 7)
(2b, x + 7)
(x, x + 7)
(x, 2b + 7)

Answer 1

@sammixboo

Answer 2

Let's change things to make this easier.

y = 2b + 7

As for we know that x = 2b and y = 2b + 7, what do you think the answer is

Remember

(x, y)

Answer 3

Is it A?

Answer 4

Right :)

x = 2b
y = 2b+7

(x, y)

Replace x with 2b, and y with 2b + 7

(2b, 2b + 7)