Find the exact value of the expression using a sum, difference, or double-angle identity.tan 
A. 
- 2
B. 2 - 
C. -2 - 
D. 2 + 
Answer: B
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Find all horizontal asymptotes of the given function, if any.h(x) = 
A. y = 0
B. y = 
C. y = 8
D. no horizontal asymptotes
Solve the problem.The acceleration, a = d2s/dt2 , initial velocity v = ds/dt and initial position of a body moving along a coordinate line are given below. Find the body's position at time t. a = e2x; v(0) = 
, s(0) = 
A. s = 
e2x + 6x + 3
B. s = 
e2x + 6x + 3
C. s = e2x + 
x + 
D. s = 
e2x + 
x + 
If the legs of a right triangle are both n centimeters, then the length of the hypotenuse is
(a) 1/2 n2 cm (b) 2n ?2 cm (c) n2 ?2 cm (d) n ?2 cm (e) There is not enough information to determine the length.
Add.(4x2 + 2xy + y2) + (3x2 + 6xy - y2) + (x2 + xy - y2)
A. 8x2 + 9xy - y2 B. 8x2 + 9xy + y2 C. 6x2 + 7xy - y2 D. 7x2 + 8xy - y2