Find the real number solution set of the equation or inequality shown below the graph. y = f(x)
f(x) > 0
A. (-?, ?)
B. {-4}
C. (-?, -4) ? (-4, ?)
D. ?
Answer: C
Mathematics
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Express the sum in sigma notation.- 
+ 
- 
+ 
- 
A. 
B. 
C. 
D. 
Mathematics
Graph the linear function and give the domain and range.f(x) = 4x - 3
A. D = (-?, ?),
R = (-?, ?)
B. D = (-?, ?),
R = (-?, ?)
Mathematics
Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(3
- 3)2
A. 72 + 18
B. 60 - 18
C. 54 - 18
D. 72 - 18
Mathematics
Solve the equation.
- 
= 7
A. 168 B. 56 C. 48 D. 42
Mathematics