Integrate the function.
A. 
cos 2x - 
cos3 2x - 
cos5 2x + C
B. - 
cos 2x + 
cos3 2x - 
cos4 2x + C
C. - 
cos 2x + 
cos3 2x - 
cos5 2x + C
D. 
cos 2x + 
cos3 2x + 
cos4 2x + C
Answer: C
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Solve the problem. Round to the nearest hundredth.61 is 20% of what number?
A. 12.20 B. 3050.00 C. 30.50 D. 305.00
Use the method of writing each premise in symbols in order to write a conclusion that yields a valid argument.Students who watch television while doing homework jeopardize their grades. Students with grades in jeopardy get grounded. Being grounded includes being barred from watching television.
A. Students who are grounded watch TV while doing homework. B. Students who watch TV will be grounded. C. Students who watch TV will be barred from watching TV. D. Students who watch TV while doing homework will not be allowed to watch TV.
Write the following phrase as an algebraic expression and simplify if possible. Let x represent the unknown number.The sum of four times a number, 1, six times a number, and 3
A. 10x + 2 B. 10x + 22 C. 10x + 4 D. 4x + 10
Use the two-stage method to solve.Find x1 ? 0 and x2 ? 0 such that 3x1 + 3x2 ? 60 2x1 + 5x2 ? 120and z = 5x1 + 4x2 is maximized.
A. x1 = 60, x2 = 0, z = 300 B. x1 = 40, x2 = 8, z = 232 C. x1 = 30, x2 = 20, z = 230 D. x1 = 0, x2 = 24, z = 96