Simplify the given expression. Expansion of any term is not necessary; proper recognition of the form of the expression leads to the proper result.4 sin2 x cos2 x
A. 4 sin2 2x
B. sin2 2x
C. 2 sin 2x
D. 4 cos 2x
Answer: B
Mathematics
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List the critical values of the related function. Then solve the inequality.
? 
A. -5, 
, - 
, 
; (-?, -5) ? 
? 
B. -5, 
; (-?, -5) ? 
C. 
? 
D. -5, - 
; 
Mathematics
Write the expression as the logarithm of a single number or expression with a coefficient of 1. Assume all variables represent positive numbers.3 ln (x + 3) - 6 ln (x2 + 7)
A. ln 
B. ln 
C. ln 
D. ln 
Mathematics
Find the equation of the line that has the given properties. Write the equation in slope-intercept form, if possible. y-intercept = -2; perpendicular to the line 4x + 3y = -3
A. 3x - 4y = -6 B. 3x - 4y = 8 C. 4x + 3y = -8 D. 4x + 3y = -6
Mathematics
Find the LCM and the GCF of 100 and 120. ?
A. 120, 20 B. 600, 40 C. 600, 20 D. 12,000, 40
Mathematics