Solve the equation.4x = 16
A. {4}
B. {1}
C. {2}
D. {3}
Answer: C
Mathematics
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Find the domain of the radical function. Write it in interval notation.g(x) = 
+ 4
A. [4, ?) B. (-?, ?) C. [0, 4] D. [0, ?)
Mathematics
Solve the problem.
Use the graph of the polynomial function f to estimate the 
s and to determine whether the leading coefficient is positive or negative.
A. -4, -1, negative B. 4, 1, positive C. 4, 1, negative D. -4, -1, positive
Mathematics
Solve the problem.Last year the hatch-back model of a new car cost $19,952. This year's model costs $20,741. How much more does this year's model cost?
A. $39,693 B. $689 C. $40,693 D. $789
Mathematics
Find the greatest common factor of the numbers.84, 126
A. 6 B. 21 C. 42 D. 14
Mathematics