Use periodic properties of the trigonometric functions to find the exact value of the expression.tan 
A.
B.
C. -1
D. 1
Answer: D
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Evaluate. Simplify if possible. - +
A.
B.
C.
D.
Solve.A town has a population of 10,000 people and is increasing by 10% every year. What will the population be at the end of 6 years?
A. 16,000 people B. 7716 people C. 17,716 people D. 16,105 people
Solve.Each month a gas station sells x gallons of gas at $1.92/gallon. The cost to the owner of the gas station for each gallon of gas is $1.32. The monthly fixed cost for running the gas station is $37,000. Write an equation that relates the monthly profit, in dollars, to the number of gallons of gasoline sold. Then use the equation to find the monthly profit when 75,000 gallons of gas are sold in a month.
A. P = 0.60x + 37,000; $82,000 B. P = 1.32x - 37,000; $62,000 C. P = 0.60x - 37,000; $8000 D. P = 1.92x - 37,000; $107,000
Solve the system of equations. Let z be the parameter.-3x - 6y - 5z = -3-5x + y + 3z = 7
A.
B. (39 - 13z, -36 + 39z, z)
C.
D.