Identify the interval where f is increasing or decreasing, as indicated. Express your answer in interval notation.f(x) = -4x2 - 2; decreasing
A. 
B. [0, ?)
C. (-?, ?)
D. 
Answer: B
Mathematics
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Use a graphing utility to graph the equation. Use the graph to approximate the values of x that satisfy each inequality.
?
Equation:
?
Inequality:
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Reduce the rational expression to lowest terms.
A. 
B. 
C. 
D. 
Mathematics
Solve the proportion for X.
= 
A. X = 5.3 B. X = 30 C. X = 3 D. X = 0.2
Mathematics
Add.19 + (-83)
A. 64 B. 102 C. -64 D. -102
Mathematics