Use an identity to write the expression as a single trigonometric function or as a single number.1 - 2 sin22x
A. cos 4x
B. 2 sin 4x
C. 
sin 16x
D. cos 8x
Answer: A
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Evaluate. Round dollar amounts to the nearest cent and other answers to the nearest thousandth when necessary.1,000
kn for n = 7, r = 5%, k = 2
A. $1407.10 B. $1378.51 C. $1412.97 D. $412.97
Provide an appropriate response.What base is being used in a 3-digit numeral having place values as depicted in the table.
Fill in the blank(s) with the appropriate word(s).
Use a percent equation to solve the percent problem.A farm grew 2800 tons of crops last year, of which 47.5% was grown organically. How much grain did the farm grow organically?
A. 1490 tons B. 1330 tons C. 1400 tons D. 1470 tons
Solve the problem.Assume that the sales of a certain appliance dealer are approximated by a linear function. Suppose that sales were $6000 when the dealer opened five years ago and $84,000 this year. Let x = 0 represent the year the dealer opened. Find the equation giving yearly sales y.
A. y = 15,600x + 6000 B. y = 78,000x + 84,000 C. y = 15,600x + 84,000 D. y = 78,000x + 6000