Simplify the rational expression.
A. 
B. a - b
C. 
D. a - 2b + 1
Answer: B
Mathematics
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Express the given complex number in rectangular form.889.3e1.848j
A. -0.4200 - 1.800j B. -1.800 - 0.4200j C. -243.4 + 855.4j D. 855.4 - 243.4j
Mathematics
Find the exact value of y, or state that y is undefined.y = tan-10
A. ?
B. 2?
C. 0
D. 
Mathematics
Find x.2 log7 x = log7 64
A. x = 
B. x = 8
C. x = 32
D. x = 62
Mathematics
Solve the problem.The graph of a function is given below. Tell whether the graph could possibly be the graph of a polynomial function. If it could be the graph of a polynomial function, tell which of the following are possible degrees for the polynomial function: 3, 4, 5, 6.
A. yes; 6 only B. yes; 4, 6 C. no D. yes; 4 only
Mathematics