Question

Which point lies on the graph of the following piecewise function?
y = x + 2 if x < –1
y = x^2 if x greater than or equal to –1
Answer

(0, 2)

(1, –1)

(–2, 4)

(3, 9) Which point lies on the graph of the following piecewise function?
y = x + 2 if x < –1
y = x^2 if x greater than or equal to –1
Answer

(0, 2)

(1, –1)

(–2, 4)

(3, 9) @Mathematics

Answer 1

Let x = 0 and -2 (both are less than -1). Substitute that into y = x + 2 and see if it gives a true statement.

Do the same for x = 1 and 3 (both are greater than -1) and see if y = x^2 gives a true statement.

"True statement" means "does the y coordinate match the ones given?".

Hope this helps.