Find all values that make the rational expression undefined. If the rational expression is defined for all real numbers, so state.
A. x = -7
B. x = -49
C. x = 0, x = - 
D. Defined for all real numbers
Answer: D
Mathematics
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Perform the indicated operations and simplify the result. Leave the answer in factored form.
- 
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response. Perform the indicated operations. 13 - 5(6 - 4)3.
A. -17 B. 64 C. 48 D. -27
Mathematics
Rationalize the denominator. Assume all variables represent positive real numbers.
A. 
+ 9
B. x - 9
C. 
- 9
D. x + 9
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log M-10
A. 10log M B. 10 + log M C. -10log M D. -10 + log M
Mathematics