Factor and simplify.tan4 x - sec4 x
A. -2 tan2 x - 1
B. sec2 x + tan2 x
C. tan2 x - sec2 x
D. sec2 x
Answer: A
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Provide an appropriate response.Find the polar coordinates of a vector in standard notation that has rectangular coordinates of (-2, 4). Report the angle coordinate in radians.
A. (4.5, -63.4°) B. (3.5, 0.03°) C. (-4.5, 63.4°) D. (-4.5, -26.6°)
Use the given conditions to write an equation for the line in slope-intercept form.Passing through (3, 4) and parallel to y = -6x + 7.
A. y = - 
x - 
B. y = 6x - 22
C. y = - 6x - 22
D. y = - 6x + 22
List the x- and y-intercepts, and graph the function.f(x) = 
A. x-intercept: (0, 0) , y-intercept: (0, 0) ;
B. x-intercept: (0, 0) , y-intercept: (0, 0) ;
C. No x-intercepts, no y-intercepts ;
D. No x-intercepts, y-intercept: (0, -1) ;
Solve. You will have to square both sides of the equation twice to eliminate all radicals.
- 
= 5
A. 4 B. 3 C. -3 D. no real solution