SO ON 21ST JULY 2011 WE WERE SUPPOSE TO STUDY PERERQUISITE SKILLS WHICH MEANS REFRESHING MINDS ABOUT WHAT WE STUDIED LAST TIME..BUT..........THIS WAS SOMETHING NEW FOR ALL OF US SUPRISINGLY..WE STUDIED ABOUT ABSOLUTE FUNCTIONS AND ABOUT DOMAIN AND RANGE ON THAT DAY...WELL, YOU ALL KNOW WHAT ABSOLUTE FUNCTIONS IS...WHEN YOU REMOVE THE │ │ SIGN FROM AN EQUATION, YOUR VALUE ON THE OTHER SIDE WILL BE BOTH NEGATIVE AND POSITIVE..SO YOU WILL HAVE TWO ANSWERS...SO ITZ THE DOMAIN AND RANGE RANGE PART THAT WAS A BIT NEW TO US..WE ONLY LEARNED THE BASIC IN HIGH SCHOOL..
THINGS TO KNOW...
DOMAIN = VALUES OF X
RANGE = VALUES OF Y
INFINITE SYMBOL =
X FOR ALL POLYNOMIALS
WHEN YOU REMOVE THE │ │ SIGN FROM AN EQUATION, YOUR VALUE ON THE OTHER SIDE WILL BE BOTH NEGATIVE AND POSITIVE..SO YOU WILL HAVE TWO ANSWERS
DENOMINATOR OF A FRACTION CANNOT BE ZERO
EXPRESSION UNDER EVEN ROOT IS GRETER OR EQUAL TO ZERO
ODD POWERED ROOTS HAVE NO RESTRICTIONS
No comments:
Post a Comment