Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.3 sin2 x - sin x - 4 = 0
A. 0
B. 
C. ?
D. 
Answer: B
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Solve. Write the answer in simplest form.Find the area of the rectangle. Write the answer in simplest form. Recall that the area = (length) ? (width). 
A = 
foot B = 
foot
A. 
square foot
B. 
square foot
C. 
square foot
D. 
square foot
Find the intercepts for the graph of the equation.2x + y = -8
A. (-6, 0) (4, 0) B. (-8, 4) (-6, -8) C. (-4, 0) (0, -8) D. (0, -6) (0, 4)
Solve.A company has just purchased a new computer for $7280. The company chooses to depreciate the computer using the straight-line method over 8 years. A linear function that expresses the book value V of the computer as a function of its age x is 
Graph the linear function V.
A. 
B. 
C. 
D. 
Solve. Simplify the answer.Ian walked 
mile to his biology class, 
mile to his art class, 
mile to his calculus class, and then back to his dormitory. If he walked 1 mile altogether, how far did he walk from his calculus class to his dormitory?
A. 
mi
B. 
mi
C. 
mi
D. 
mi