Evaluate the expression.
A. -1
B. -4
C. 1
D. 0
Answer: D
Mathematics
You might also like to view...
Write the indicated term of the binomial expansion.(x + 2y)11; 9th term
A. 42,240x8y3 B. 21,120x3y9 C. 21,120x8y3 D. 42,240x3y8
Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula.4x = 1 + 
A. {- 
, 
}
B. {
, 
}
C. {
}
D. no real solution
Mathematics
Solve for x in the given interval.cot x = 
, ? ? x ? 
A. 
B. 
C. 
D. 
Mathematics
Find a rectangular equation for the plane curve defined by the parametric equations.x = 4 sin t, y = 4 cos t; 0 ? t ? 2?
A. y = 
= 16; for x in -? < x < ?
B. x2 + y2 = 16; for x in -4 ? x ? 4
C. y = x2 - 9; for x in -2 ? x ? 2
D. y2 - x2 = 16; for x in -? < x < ?
Mathematics