HELP DN#!#errfrew

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?

If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer