Find the exact value by using a half-angle identity.tan 165°
A. -2 - 
B. -2 + 
C. 2 + 
D. 2 - 
Answer: B
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Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. x-intercept: 
; y-intercept: 
;
B. x-intercept: 
; y-intercept: 
;
C. x-intercept: 
; y-intercept: 
;
D. x-intercept: 
; y-intercept: 
;
Calculate the requested distance.The distance from the point S(3, -7, -1) to the line x = -10 + 2t, y = 3 + 9t, 
A. 
B. 
C. 
D. 
Provide an appropriate response.Find 8.5% of 0.3.
A. 0.255 B. 0.0255 C. 0.353 D. 3.529
Identify the conic section that the polar equation represents. Describe the location of a directrix from the focus located at the pole.r = 
A. ellipse; The directrix is 1 unit(s) above the pole at y = 1. B. ellipse; The directrix is 1 unit(s) to the right of the pole at x = 1. C. ellipse; The directrix is 1 unit(s) below the pole at y = - 1. D. ellipse; The directrix is 1 unit(s) to the left of the pole at x = - 1.