Answer:
f(x) and g(x) are closed under multiplication because when multiplied, the result will be a polynomial.
Step-by-step explanation:
The set of all polynomials is <em>closed</em> under addition, subtraction, and <em>multiplication</em>, because performing any of these operations on a pair of polynomials will give a polynomial result.
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<em>Comment on the question</em>
The wording is a bit strange, because f(x) and g(x) are elements of a set (of polynomials), so cannot be said to be "closed." "Closed" is a property of a set with respect to some function, it is not a property of an element of the set.
Answer:
16 m × 11 m
Step-by-step explanation:
The dimension of the gym is 20 m x 15 m. An outbound of 2m width is to be cut out from the gym to form the basketball court.
The original length of gym = 20 m and original width of gym = 15 m
2 m would be cut at both sides of the gym length for the outbound. Also 2 m would be cut at both sides of the gym width for the outbound. Therefore:
Length of basketball court = 20 m - (2 * 2m) = 20 m - 4 m = 16 m
Width of basketball court = 15 m - (2 * 2m) = 15 m - 4 m = 11 m
Therefore the dimensions of the basketball court is:
16 m × 11 m
The answer to 14 is 7 because you spent 7 more dollars then you had so that would be negative 7 dollars and an integer to -7 is 7
Step-by-step explanation:
(a)
(b)

(c)

(d)

Answer:
651 - ( -13 ) = 664
Step-by-step explanation:
As we know when there is a minus sign we hv to change the sign of the number after it .....
Therefore... ( -13 ) will become ( + 13 )
Then we can solve the equation...
651 - ( -13 ) = 651 + 13 = 664
Hope this helps....
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