Find the exact value of the expression or state that it does not exist.sec[tan-1(-
)]
A. 
B. - 
C. 2
D. 
Answer: C
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Solve.
x = 4
A. -2 B. 2 C. 1/2 D. -1/2
Solve the problem.Allied Industries pays at the time-and-a-half rate for all time worked over 8 hours in any one day no matter how many hours are worked in a week. Ken Warner, an employee of Allied Industries, makes $12.30 an hour as his regular rate of pay. Last week he worked 12 hours on Monday, 5.5 hours on Thursday, and 8.75 hours on Friday. What were his gross earnings for the week?
A. $352.09 B. $317.07 C. $365.64 D. $360.80
Graph the parabola and label the vertex. Find the y-intercept.y = -3
2 - 5
A. vertex (
, 5), y-intercept (0, -95.75)
B. vertex (
, -5), y-intercept (0, -95.75)
C. vertex (
, -5), y-intercept (0, 95.75)
D. vertex (- 
, -5), y-intercept (0, -95.75)
Solve the logarithmic equation.log 3 (x + 6) + log 3 (x - 6) - log 3 x = 2
A. -3 B. 12 C. 12, -3 D. No solution