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 < ?
Answer: B
Mathematics
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Graph the function.y = 4 cos (?x)
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find the multiplicative growth factor k of an account earning 3% annual interest, compounded continuously.
A. k = e0.3 ? 1.3499 B. k = 0.03e ? 0.0815 C. k = 0.03 D. k = e0.03 ? 1.0305
Mathematics
Solve using the multiplication principle.- 
= 29
A. -174 B. -168 C. -35 D. 174
Mathematics
Simplify the expression.-8 + 9
A. -17 B. 1 C. -1 D. 17
Mathematics