Determine all numbers at which the function is continuous. FIX) =

x2 + 5x - 36

** + 8x - 9

13

if x=-9

if x=-9

a. continuous at every real number except x = 1 and x = -9

b. continuous at every real number except x = -9

c. continuous at every real number except x = 1

d. continuous at every real number except x = -9 and 7 = 4