Solve the problem.Find the point on the curve x = 4 sin t, y = cos t, - 
? t ? 
, closest to the point 
. (Hint: Minimize the square of the distance as a function of t.)
A. (4, 0)
B. 
C. 
D. (-4, 0)
Answer: C
Mathematics
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Multiply.0.7128 × 100
A. 0.007128 B. 71.28 C. 7.128 D. 712.8
Mathematics
Write the expression in the standard form a + bi.If z = 3 - 6i and w = 1 + 5i, evaluate 
.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.(4x - 1)(x + 2) ? 0
A. [-2, ?)
B. 
C. 
D. (-?, -2] ? 
Mathematics
Solve the problem.For the geometric sequence 2, 1, 
, 
, ... , find an.
A. an = 21-n
B. an = 
1-n
C. an = 2n-2
D. an = 
n-2
Mathematics