Classify the equation as being an identity, a contradiction, or having one unique solution.2x - 7 = 2x + 1
A. identity
B. one unique solution
C. contradiction
Answer: C
Mathematics
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Graph the function and determine the values of x for which the function is continuous. If the function is not continuous, determine the reason.f(x) = 
A. 
Continuous for all x
B. 
Not continuous at x = -3;
function not defined
C. 
Not continuous at x = -3;
small change
D. 
Not continuous at x = -3;
small change
Mathematics
Select from the list of numbers all that belong to the specified set.Rational numbers8, 
, -16, 0, 
, 
, 
, 0.1
A. 
, 
B. 8, -16, 0, 
, 
, 0.1
C. 8, 0, 
D. 
, 
, 0.1
Mathematics
Which of the numbers are the given type of number?14, 
, -23, 0, 
, 
Real numbers
A. 14, -23, 0, 
B. 14, -23, 0, 
C. 14, -23, 0, 
, 
D. 14, 
, -23, 0, 
, 
Mathematics
Simplify. Assume that all variables represent any real number.
A. -x
B. -
C. x
D. 
Mathematics