Solve the equation.2-|x| = 4
A. -2
B. 0
C. ±2
D. ?
Answer: D
Mathematics
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Find the area enclosed by the given curves.y = - 4sin x, y = sin 2x, 0 ? x ? ?
A. 16
B. 
C. 4
D. 8
Mathematics
Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.
A. 
B. 
C. x3
D. x4
Mathematics
Solve the problem.Find an equation for the level curve of the function f(x, y) = 4 - x2 - y2 that passes through the point 
.
A. x2 + y2 = 16 B. x2 + y2 = 12 C. x2 - y2 = 12 D. x2 + y2 = - 12
Mathematics
Find the equation of the line passing through the indicated two points. Write the equation in slope-intercept form.
and 
A. y = 
x + 
B. y = 
x + 
C. y = 6x - 
D. y = 6x - 
Mathematics