Practice problem
Evaluate f(−1),f(0),f(2),f(4)f(-1), f(0), f(2), f(4)f(−1),f(0),f(2),f(4) in order, where f(x)={4x−9ifx<04x−18ifx≥0.f(x)=\left\{\begin{matrix} 4x-9&if&x<0\\ 4x-18&if&x\geq0. \end{matrix}\right.f(x)={4x−94x−18ififx<0x≥0.
−13,18,10,2-13, 18, 10, 2−13,18,10,2
−13,−18,−10,−2-13, -18, -10, -2−13,−18,−10,−2
−13,−9,−10,−2-13, -9, -10, -2−13,−9,−10,−2
−22,−18,−10,−2-22, -18, -10, -2−22,−18,−10,−2
Type a concept, like “slope” or “photosynthesis”.