Simplify the expression. All exponents should be positive integers.(x-4y6)-4
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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What is f2 in the circuit below when R1 = 1 Kê, R2 = 4 Kê, C1 = 0.1 æF, C2 = 700 pF, and E = 20 V?
a. 390 KHz
b. 284 KHz
c. 169 KHz
d. 71 KHz
e. 57 KHz
Mathematics
Factor the difference of two squares.x4 - 81
A. (x2 - 9)(x2 - 9) B. (x2 + 9)(x + 3)(x - 3) C. (x2 + 9)(x2 + 9) D. prime
Mathematics
Find the vertical asymptotes, if any, of the graph of the rational function.g(x) = 
A. x = 5 B. x = 5, x = -5, x = 0 C. x = 5, x = -5 D. no vertical asymptote
Mathematics
Graph the compound inequality.3x + 5y ? 3 or y ? 3
A. 
B. 
C. 
D. 
Mathematics