Use trigonometric identities to solve each equation in the interval [0, 2?] tan2 x = - 
sec x
A. 
B. 
C. 
D. 
Answer: B
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Find the extreme values of the function subject to the given constraint.
A. Minimum: 4 at (0, ±1); maximum: 7 at (±1, 0) B. Minimum: 4 at (0, ±1); maximum: 0 at (0, 0) C. Minimum: 4 at (±1, 0); maximum: 7 at (0, ±1) D. Minimum: 4 at (±1, 0); maximum: 0 at (0, 0)
Add or subtract as indicated.(9x2y2 + 5y4) + (7x2y2 - 12y4)
A. 16x2y2 + 7y4 B. 63x4y4 - 60y8 C. 16x2y2 - 7y4 D. 16x4y4 - 7y8
Solve the problem.Find an equation of the function f sketched below in the form 
. Use the vertex to find the values of h and k and use a second point on the graph to find the value of a.
A. f(x) = (x + 1)2 - 1 B. f(x) = (x + 1)2 + 1 C. f(x) = (x - 1)2 - 1 D. f(x) = (x - 1)2 + 1
Solve the equation for the specified variable.
+ 
= c for b
A. b = 
- a
B. b = 
C. b = 
D. b = ac - 