Write the expression as the sum or difference of logarithms.log2 
A. 4 - log2 u
B. log2 u - 4
C. log2 u + 4
D. log2 u - 16
Answer: B
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Find the exact values for sin s, cos s, and tan s.s = - 
A. sin s = - 
; cos s = 
; tan s = 
B. sin s = 
; cos s = - 
; tan s = 
C. sin s = 
; cos s = - 
; tan s = - 
D. sin s = - 
; cos s = 
; tan s = - 
Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.x1/8 ? x7/8
A. x7/8
B. x
C. 
D. x7/64
Use an analytic method to solve the equation.
- 
= 3
A. {-2} B. {3, 8} C. {2, 38} D. {2}
Find the vertices and the foci of the given ellipse.
+ 
= 1
A. V: (0, -20), (0, 20); F: (0, -16), (0, 16) B. V: (-20, 0), (20, 0); F: (-16, 0), (16, 0) C. V: (0, -20), (0, 20); F: (-12, 0), (12, 0) D. V: (-20, 0), (20, 0); F: (0, -12), (0, 12)