Answer
(a) maximum $(1.8, 2.1)$, minimum $(3.5, -0.6)$
(b) maximum $(1.8, 7.1)$, minimum $(3.5, 4.4)$
Work Step by Step
(a) maximum $(1.8, 2.1)$, minimum $(3.5, -0.6)$
(b) This function is the function in (a) shift up 5 units.
maximum $(1.8, 7.1)$, minimum $(3.5, 4.4)$