Find the period, amplitude, or shift.Find the amplitude of y = 5 cos (2x + 
).
A. 2
B. 
C. 10
D. 5
Answer: D
Mathematics
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Find the area of the shaded region.
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.If f(x) = 
+ x, then f(-2) =
A. 7.
B. -7.
C. 
-2.
D. 0.
E. 3.
Mathematics
Use set-builder notation to write the set.{-10, -9, -8, -7, -6}
A. {x 
is a number between -10 and -6}
B. {x 
is a natural number greater than -11 and less than -5}
C. {x 
is an integer greater than -10 and less than -6}
D. {x 
is an integer greater than -11 and less than -5}
Mathematics
Solve the inequality. Express your answer using interval notation. Graph the solution set.3 ? 
x - 1 < 7
A. [5, 10)
B. [5, 6)
C. (5, 10]
D. (5, 6]
Mathematics