Find a rectangular equation for the plane curve defined by the parametric equations.x = 3 tan t, y = 4 sec t; 0 ? t ? 2?
A. y = x2 - 9; for x in -3 ? x ? 3
B. 
+ 
= 1; for x in -? < x < ?
C. 
- 
= 1; for x in -? < x < ?
D. y = 4
; for x in -? < x < ?
Answer: C
You might also like to view...
Find the domain and range of the function.g(z) = -4 - 
A. D: [0, ?), R: (-?, -4] B. D: (-?, ?), R: (-?, -4] C. D: (-?, -4], R: (-?, ?) D. D: (-?, 0], R: [-4, ?)
Let z vary jointly with x and y. Find the constant of variation k. Then, use 
to find z when x = 5 and y = 7.z = 56 when x = 
and y = 7
A. k = 15; z = 490 B. k = 14; z = 525 C. k = 48; z = 1,680 D. k = 56; z = 1,960
Decide whether the relation is a function.{(-9, 3), (-9, 5), (-1, 4), (5, -3), (10, 7)}
A. Function B. Not a function
Use the properties of logarithms to write the expression as the logarithm of a single expression.logbm + 2logbk - logbn
A. loga 
B. logb 
C. logb mk2n
D. logb 