Identify all of the global and local extrema of the graph. a.) 16 is a global maximum of f left parenthesis x right parenthesis at x equals 2. -1 is a global and local minimum f left parenthesis x right parenthesis at x equals 1. b.) 16 is a global maximum of f left parenthesis x right parenthesis at x equals 2. -1 is a global minimum of f left parenthesis x right parenthesis at x equals 1. c.) 16 is a global maximum of f left parenthesis x right parenthesis at x equals 2. -1 is a global minimum f left parenthesis x right parenthesis at x equals 1. 7 is a local maximum of f left parenthesis x right parenthesis at x equals short dash 1. d.) 16 is a global maximum of f left parenthesis x right parenthesis at x equals 2. -1 is a global and local minimum of f left parenthesis x right parenthesis at x equals 1. 7 is a local maximum of f left parenthesis x right parenthesis at x equals short dash 1