Evaluate the requested trigonometric function using the information given. cos ? = 
; 0 < ? < ?/2Find sec ?.
A. 
B. 6
C. -6
D. 
Answer: B
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Provide an appropriate response.The domain and range of the function f whose graph appears below is
A. Domain: all real numbers less than or equal to 4 Range: all nonnegative real numbers B. Domain: all real numbers less than or equal to 4 Range: all real numbers C. Domain: all real numbers Range: all real numbers less than or equal to 4 D. Domain: all real numbers Range: all real numbers E. Domain: all nonnegative real numbers Range: all real numbers less than or equal to 4
Use Cramer's rule to solve the linear system.
A. x = 9, y = -8, z = -9 B. x = 9, y = 8, z = 9 C. x = 8, y = 9, z = 8 D. x = 10, y = 6, z = 9
Find the volume.Of a box 6.8 cm × 3 cm × 9 cm
A. 243 cm3 B. 183.6 cm3 C. 61.2 cm3 D. 416.2 cm3
Graph the inequality.-2x - 5y ? -10
A. 
B. 
C. 
D. 