Identify the x-intercept of the linear equation 3x + y - 9 = 0

A) (3,0)
B) (-9,0)
C) (-3,0)
D) (9,0)

Step-by-step explanation:

x -intercept

y=0

3x+0-9=0

3x=9

x=3

(3,0)

option A is the correct answer

the circle graph is not a function.

step-by-step explanation:

the graph of the circle is not a function.

because for a graph to be a function, each value of x must give one value of y

in the circle, the values of x for -2< x< 2 each give 2 values of y.

hence this is not a function.