Find the exact value of the indicated trigonometric function of ?.tan ? = - 
, ? in quadrant IIFind cos ?.
A. 
B. - 
C. 
D. - 
Answer: B
Mathematics
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Use implicit differentiation to find dy/dx and d2y/dx2.4
- y = 2x
A. 
= 
- 2; 
= - 
B. 
= 
; 
= 
C. 
= 
; 
= 
D. 
= 
; 
= 
Mathematics
Divide and simplify.
A. 4x3y2 B. 4x3y3 C. 4x2y3 D. 9x3y3
Mathematics
Find an equation for the hyperbola described. Graph the equation.Center at (0, 0); focus at (
, 0); vertex at (5, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Use a graphing calculator to graph the equation.y = 
A. 
B. 
C. 
D. 
Mathematics