Perform the indicated operations and simplify the result. Leave the numerator and denominator in your answer in factored form.
A. 
, x ? -a, x ? a
B. 
, x ? -a, x ? a
C. 
, x ? -a, x ? a
D. 
, x ? -a, x ? a
Answer: A
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Find the domain and graph the function.F(t) = 
A. D: (-?, -5) ? (-5, ?)
B. D: (-?, ?)
C. D: (-?, 0) ? (0, ?)
D. D: (-?, -5) ? (-5>, ?)
Solve the problem.A rocket tracking station has two telescopes A and B placed 1.3 miles apart. The telescopes lock onto a rocket and transmit their angles of elevation to a computer after a rocket launch. What is the distance to the rocket from telescope B at the moment when both tracking stations are directly east of the rocket telescope A reports an angle of elevation of 25° and telescope B reports an angle of elevation of 55°?
A. 2.13 mi B. 0.67 mi C. 1.1 mi D. 2.52 mi
Convert to decimal notation.7.426 × 105
A. 74,260 B. 7,426,000 C. 742,600 D. 371.3
Differentiate.
