Use the product, quotient, and power rules of logarithms to rewrite the expression as a single logarithm. Assume that all variables represent positive real numbers.
log2 x4 + 
log2 x4 - 
log2 x
A. log2 x9/2
B. log2 x17/6
C. log2 x7
D. 
log2 x8
Answer: B
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Solve the problem by finding and evaluating an appropriate expression.An automobile lease company offers a plan where the customer pays $1500 down and $499 per month for 5 years. Find the total cost of leasing the car.
A. $3995 B. $2004 C. $31,440 D. $119,940
Give all solutions of the nonlinear system of equations, including those with nonreal complex components.xy = 128x - y = 3
A. 
B. 
C. 
D. {(7, -7), (-4, 4)}
Answer the question.Consider the numbers 0.179173...., 
, -6, 0, 
, 
, 0.
, 0.38, 
. Which are irrational numbers?
A. 0.179173....,
, 0.
, 
B. 
, 
C. 0.179173....,
, 
D. 0.179173....,
, 0.
Solve the polynomial inequality.(x + 7)2(2x + 3)(x - 2) > 0
A. [-7, -1.5) ? (2, ?) B. (-?, -7) ? (-7, -1.5) ? (2, ?) C. (-?, -1.5) ? (2, ?) D. (-?, -6) ? (-6, -7) ? (2, ?)