Simplify.
A. -1
B. 
C. 
D. 1 - 5x
Answer: C
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Evaluate the requested trigonometric function using the information given. cos ? = 
; 3?/2 < ? < 2?Find tan ?.
A. -
B. -
C. 6
D. - 
Solve.The area of a triangular poster is 870 square centimeters. Its altitude is 2 feet shorter than twice its base. Find the lengths of the altitude and base.
A. base = 60 cm; altitude = 14.5 cm B. base = 15 cm; altitude = 58 cm C. base = 30 cm; altitude = 58 cm D. base = 30 cm; altitude = 29 cm
Solve the problem.The table shows the population of a certain city in various different years. Use regression to find values for a and b so that f(x) = axb models this data, where x represents the number of years since 1990 and f(x) is the population of the city in hundreds of thousands. Round your answers to 4 decimal places.
A. a ? 2.1375, b ? 0.4432 B. a ? 2.6352, b ? 0.4756 C. a ? 1.8506, b ? 0.5121 D. a ? 1.7025, b ? 0.5375
Write < or > to make a true statement.
____ 
A. < B. >