C) and E) because for X = -1 and X= 1 the functions f(x) and g(x) they have the same values.
h=20w
in one week hector works 20 hours
in two hector works 40 etc
h = hours and w = weeks. the money is just extra information.
h=20w works because if it has been two weeks we substitute the w with the number 2 and can solve
h=20(2)
h=20x2
h=40
This proves that the equation is true
4. Period with the digits 913 is called thousands period.
5. The digit in the ten thousand place is 1.
6. The value of 9 is hundred thousands.
Hope it will help you :)
okay... THE ANS IS 5/35 IS THE RIGHT ONE