Differentiate the function. g(x) = 9/8 x² − 8x + 17
A. g'(x) = (9/4)x - 8
B. g'(x) = (9/4)x² - 8
C. g'(x) = (9/4)x + 8
D. g'(x) = (9/4)x² + 8