Question

What is the domain and range of the equation: y = 7/2x - 30?

Answer 1

it's linear equation, right?

Answer 2

Yeah.

Answer 3

and its x-intercept and y-intercept is gradually increasing, right?

Answer 4

Yes.

Answer 5

x can be all real numbers
y can be all real numbers

Answer 6

So, the domain and range can be all real numbers???

Answer 7

yes

Answer 8

Are you sure? (Not that i don't trust you) :)

Answer 9

Can you draw the equation?

Answer 10

I was suppose to create two equations based on a scatter plot. Here is the scatter plot:

Answer 11

then the equation is not continuous, right?

Answer 12

so the domain and range would not be all real numbers