Problem:
Sketch the following graph
a. y = 2 - |x|
b. Sketch y = 2x2 - x - 3 Hence solve for x when 2x2 - x - 3 ≤ 0
Additional Information:
These short answer questions is basically belong to Mathematics. The 1st question is about sketching a graph for an absolute value. The 2nd question is about sketching an algebraic equation.