Question 975826
x^2+4x if x if x ≤ −1
x	if &#8722;1 < x &#8804; 1
&#8722;1	if x > 1 
f(-2)   use the first one and get 4-8=-4
f(-3/2) also use the first one and get (9/4)-6=-3.75
f(-1)  Use the first one and get -3
f(0)   use the second one and get 0
f(40) use the third one and get -1