Graph the function.f(x) = 
log2x
A. 
B. 
C. 
D. 
Answer: B
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In a circuit where i leads e by 90ø,
a. i is 0 when e is max. b. e is 0 when i is max. c. i is 0 when e is min. d. e is 0 when i is min. e. e is 0 when i is max or min, and i is 0 when e is max or min.
Find the largest open interval where the function is changing as requested.Increasing f(x) = 
x2 - 
x
A. (-?, -1) B. (1, ?) C. (-1, 1) D. (-?, ?)
Use the fundamental identities and the given information to find the exact values of the remaining trigonometric functions of x.sin x = 
and cos x = 
A. tan x = 2, csc x = 
, sec x = 
, cot x = 
B. tan x = 
, csc x = 
, sec x = 
, cot x = 2
C. tan x = - 
, csc x = 
, sec x = 
, cot x = - 2
D. tan x = 
, csc x = 
, sec x = 
, cot x = 2
Write the expression in the standard form a + bi.(4 + 8i)(4 - 8i)
A. 16 - 64i B. 16 - 64i2 C. 80 D. -48