Identify all values for which the expression is undefined.
A. 0
B. 2
C. None
D. 0.5
Answer: A
Mathematics
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Use the distributive property to multiply. Then, if possible, simplify the resulting expression.4(a + b)
A. 4ab B. 8ab C. 4a + 4b D. 4a + b
Mathematics
Multiply, then simplify the product. Assume that all variables represent positive real numbers.(5
+ 
)(5
- 
)
A. 25x - 2
- y
B. 25x - y
C. 25x2 - y2
D. 25x + y
Mathematics
Find the range of the given function.f(x) = -3x2 - 30x - 78
A. (-?, -3] B. (-?, 5] C. [3, ?) D. [5, ?)
Mathematics
Sketch the graph of the given equation over the interval [-2?, 2?].y = cos 
A. 
B. 
C. 
D. 
Mathematics