Verify the identity.tan(? - ?) = tan ?
What will be an ideal response?
tan (? - ?) = 
= 
= tan ?
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Solve the problem.A company adopts an advertising campaign to weekly add to its customer base. It assumes that as an average fifty percent of its new customers, those added the previous week, will bring in one friend, but those who have been customers longer will not be very effective as recruiters and can be discounted. A media campaign brings in 10,000 customers initially. What is the expected total number of customer with whom the company can expect to have dealings?
A. 15,000 B. 30,000 C. 20,000 D. The sum diverges to infinity.
Determine the discriminant of the quadratic equation. Use the value of the discriminant to determine whether the quadratic equation has two rational solutions, two irrational solutions, one repeated real solution, or two complex solutions that are not real.x2 - 7x - 8 = 0
A. Two complex solutions that are not real B. One repeated real solution C. Two rational solutions D. Two irrational solutions
Solve the problem.Ellen wishes to mix candy worth $2.56 per pound with candy worth $7.61 per pound to form 23 pounds of a mixture worth $3.88 per pound. How many pounds of the more expensive candy should she use?
A. 6 pounds B. 19 pounds C. 17 pounds D. 11 pounds
Solve the problem.For what values of ? (0 ? ? < 2?) do maximum r-values occur on the graph of the polar equation 
Note that a maximum r-value occurs at a point that is the maximum distance from the pole.
A. 
, 
, 
B. 
, ?, 
C. 
, 
, 
, 
, 
, 
D. 
, 
, 