Decide whether the given set of numbers is a group under the given operation.Prime numbers; multiplication
A. Yes
B. No
Answer: B
Mathematics
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Solve the equation. Give an exact solution.log (x - 9) = 1 - log x
A. 10 B. -10 C. -1, 10 D. -10, 1
Mathematics
Sketch the graph of the quadratic function by finding the vertex, intercepts, and determining if the graph opens upward or downward.f(x) = x2 - 3
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A size 60 dress in Country C is size 14 in Country D. A function that converts dress sizes in Country C to those in Country D is 
Find the inverse of the function.
A. f-1(x) = 2(x - 16) B. f-1(x) = x + 16 C. f-1(x) = 2x + 16 D. f-1(x) = 2(x + 16)
Mathematics
The point P on the unit circle that corresponds to a real number t is given. Find the indicated trigonometric function.
?Find cot t.
A. 
B. - 
C. 
D. - 
Mathematics