Selections 2, 3, 5, 6 are polynomials.
1 and 4 are not. The coefficients don't have to be integers, but the powers of the variables need to be positive integers. In 1, you have x^-1. in 4, you have x^(1/2).
I don't see the expression below.
Since the 40% discount applies to the number of cookies sold above 2 dozen, or 24, then if the number of cookies is c, then c - 24 is the number of cookies above 2 dozen. Answer is B.
To get 1/10 -> 1000/10 =100
and 1% of 100 -> 100/100 = 1 or 1%
100 for question 1
1 for q2
We are asked to determine the number of elements in the set containing whole numbers between 3 and 15. In this case, the numbers included in the set are 4,5,6,7,8,9,10,11,12,13,and 14. Upon counting, there are 11 elements all in all. Hence the answer to this problem is A. 11