Question

Find f(8) for this piecewise-defined function.
f(x)=
8x+2 if x<
–
3
–
3x+8 if
–
3≤x<2
–
4x–2 if x≥2

Answer 1

8 is ≥ 2, so use f(x) = -4x - 2. Thus f(8) = -4(8) - 2 = -32 - 2 = -34.