Solve the absolute value inequality. Write the solution set using interval notation.
? 4
A. 
? [4, ?)
B. 
C. 
? 
D. 
Answer: C
Mathematics
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Find the sign of the following.tan 
, given that ? is in the interval (90°, 180°).
A. negative B. positive
Mathematics
Solve the equation for the indicated variable.F = 
C + 32
for C
A. C = 
(F - 32)
B. C = 
(F - 32)
C. C = 
D. C = 
Mathematics
Find the x-value of all points where the function has relative extrema. Find the value(s) of any relative extrema.f(x) = 
A. Relative minimum of 0 at 0
B. Relative maximum of 0 at 0; relative minimum of 
e at e1/9
C. Relative minimum of 
e at e1/9
D. Relative minimum of - 
e-1 at e-1/9
Mathematics
Solve the system of linear equations by the method of elimination, find (x,y).
?
?
?
A. No solution B. ?(20 + 9a, a) (infinitely many solutions) C. (-3, -7) D. (38, 2) E. (-7, -3)
Mathematics