Understanding Function Graphs

f(x) = x - 2

f(x) = sqrt(x) - 2

f(x) = x^2 + 2

f(x) = 2x + 1

It would result in a negative Y value.

It would make the function undefined.

It would produce an imaginary number.

It would make the graph a straight line.

5

9

3

8

They make the graph linear.

They simplify the calculation of Y values.

They are the only values allowed.

They make the graph symmetrical.

2

1

0

-2

(4, 0)

(4, -2)

(4, 2)

(4, 1)

(4, 0)

(1, -1)

(0, -2)

(9, 1)

X <= 0

X >= 0

X < 0

X > 0

(0, ∞)

[0, ∞)

(0, 8]

[0, 8]

It curves downwards.

It remains constant.

It curves upwards.

It becomes a straight line.