Find an equation for the line tangent to the curve at the point defined by the given value of t.x = csc t, y = 9 cot t, t = 
A. y = 18x - 9
B. y = 18x + 3
C. y = -18x + 9
D. y = 3
x - 18
Answer: A
You might also like to view...
Use the improved Euler's method to calculate the first three approximations to the given initial value problem. Compare the approximations with the values of the exact solution.y' = 2x(y + 1), y(2) = 0, h = 0.1
A. 
B. 
C. 
D. 
Solve the problem.Three cards are drawn in order from a well shuffled deck of 52 cards. The probability that all three cards are clubs is given by
A. 
.
B. 
.
C. 
.
D. 
.
E. none of these
The following table shows the earnings for the Juarez family last year. Solve the problem.MonthEarningsMonthEarningsJan.$1400July$1300Feb.$1150Aug.$2450Mar.$2950Sept.$2500Apr.$2300Oct.$2000May$1650Nov.$2350June$2700Dec.$2400If 
of the family's total income was spent on clothing, how much was spent for clothing last year?
A. $270 B. $251.50 C. $290 D. $240
Graph the ellipse and locate the foci.16x2 + 9y2 = 144 
A. foci at (
, 0) and (-
, 0)
B. foci at (4, 0) and (-4, 0)
C. foci at (5, 0) and (-5, 0)
D. foci at (0, 
) and (0, -
)