Use an analytic method to solve the equation.
- 
= 1
A. {-3, -1}
B. {3}
C. {3, -1}
D. ?
Answer: C
Mathematics
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Graph the function.f(x) = 
x2
A. 
B. 
C. 
D. 
Mathematics
Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = -5
B. none
C. x = 0, x = - 
D. x = -25
Mathematics
Find the decimal equivalent of the fraction.
A. 0.429
B. 0.428
C. 0.
D. 0.
Mathematics
Decide whether the given number is a solution to the equation preceding it.3y + 3(y - 2) = 42; 8
A. Yes B. No
Mathematics