Perform the operations indicated.(10z + 2) - (-z - 1)
A. 9z + 1
B. 11z + 1
C. 11z + 3
D. 10z + 1
Answer: C
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Solve. Write the solution set using set-builder notation and using interval notation. Graph the solution set. -7 < 
A. {x
x > -35}; (-35, ?)
B. {x
x < -35}; (-?, -35)
C. {x
x ? -35}; [-35, ?)
D. {x
x ? -35}; (-?, -35]
Solve.
= 0
A. {-7} B. {7, -7} C. {7} D. ?
Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = cot(3x - 8)
A. y = cot u; u = 3x - 8; 
= - 3 cot(3x - 8) csc(3x - 8)
B. y = cot u; u = 3x - 8; 
= - csc2(3x - 8)
C. y = 3u - 8; u = cot x; 
= - 3 cot x csc2 x
D. y = cot u; u = 3x - 8; 
= - 3 csc2(3x - 8)
Solve the problem.On a map of the Thunderbird Country Club golf course, 1.5 inches equals 60 yards. How long is the 9th hole if the map shows 9 inches?
A. 360 yd B. 10 yd C. 540 yd D. 810 yd