Solve the compound inequality. Express the solution using interval notation. Graph the solution set.x > 4 or x < 4
A. (4, ?)
B. (-?, 4)
C. (4, 4)
D. (-?, 4) ? (4, ?)
Answer: D
Mathematics
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Solve the problem.Fred bicycles 3 km/h slower than Samantha. In the time it takes Fred to bicycle 20 km, Samantha travels 26 km. How fast does Fred bicycle?
A. 7 km/h B. 10 km/h C. 20 km/h D. 13 km/h
Mathematics
Find the absolute extreme values of each function on the interval.F(x) = 
; -3 ? x ? 8
A. Maximum = (8, 2), and Minimum = (-8, -2) B. Maximum = (-8, 2), and Minimum = (0, 0) C. Maximum = (0 , 0), and Minimum = (8, 2) D. Maximum = (8, 2), and Minimum = (0, 0)
Mathematics
Express the sum or difference as a product of sines and/or cosines.sin 
+ sin 
A. 2 sin 
sin ?
B. 2 sin 
cos ?
C. 2 cos(7?) sin ?
D. 2 sin(7?)
Mathematics
Use logarithms to solve the equation for t.
?
?
A. 
B. 
C. 
D. 
Mathematics