Solve the problem.Use Gauss's function, f(n) = 
n2 + 
n, to find a natural number n such that the sum of the first n natural numbers is 
A. 6
B. 5
C. 3
D. 4
Answer: D
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Add.
A. 16,007 B. 14,997 C. 15,007 D. 14,907
Add a constant term to the expression to make it a perfect square.x2 - ax
A. 
B. - 
C. 
D. - 
Provide an appropriate response.Suppose a student is taking a 5-response multiple choice exam; that is, the choices are A, B, C, D, and E, with only one of the responses correct. Describe the complement method for determining the probability of getting at least one of the questions correct on the 15-question exam. Why would the complement method be the method of choice for this problem?
What will be an ideal response?
Find the domain and range of the relation.{(6, 2), (-9, -2), (-7, 6), (8, -9), (-8, 3)}
A. D: {6, 6, 2, -8, 3}; R: {8, -9, -9, -2, -7} B. D: {8, -9, -9, -2, -7}; R: {6, 6, 2, -8, 3} C. D: {-9, -2, 6, 2, 3}; R: {8, -9, -7, 6, -8} D. D: {8, -9, -7, 6, -8}; R: {-9, -2, 6, 2, 3}