Use a table of values to graph the plane curve defined by the following parametric equations. Find a rectangular equation for the curve.x = 5 tan t, y = 2 sec t, for t in [0, 2?] 
A. 
- 
= 1, for x in (-?, ?)
B. 
+ 
= 1, for x in (-?, ?)
C. 
y = x2 - 9, for x in [-3, 3]
D. 
y = 2
, for x in (-?, ?)
Answer: A
You might also like to view...
An experiment consists of selecting a card from a standard deck of playing cards and noting whether the card is black (B) or red (R). What are the events of this experiment? ?
A. {B, R}, {R, B} B. {Ø}, {B}, {R} C. {B}, {R}, {B, B}, {R, R} D. {Ø}, {B}, {R}, {B, R} E. {Ø}, {B, R}, {R, B}, {R, R}, {B, B}
Write the first five terms of the geometric sequence with the first term a1 and common ratio r.a1 = 4, r = - 
A. 4, - 
, 
, - 
, 
B. 4, 
, 
, 
, 
C. 4, -12, 36, -108, 324
D. 
, - 
, 
, - 
, 
A vector v has initial point P and terminal point Q. Find the magnitude of 
.P(6, -10), Q(-1, 12)
A. 
B. 533
C. 15
D. 
Solve the problem.A bacterial culture has an initial population of 10,000. If its population declines to 6000 in 8 hours, when will its population be 5281? Assume that the population decreases according to the exponential model.
A. after 5 hr B. after 7 hr C. after 9 hr D. after 10 hr