Find the exact value of the expression.tan 
A. -2 - 
B. 2 + 
C. 2 - 
D. 
- 2
Answer: C
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Find the work done by F over the curve in the direction of increasing t.F = -5xi + 8x2y5j + (-3z + 9y2)k ; the path is 
where C1 is the straight line from 
to 
C2 is the straight line from (1, 0, 0) to (1, 1, 0), and C3 is the straight line from (1, 1, 0) to (1, 1, 1)
A. W = - 
B. W = 
C. W = 
D. W = - 
Provide an appropriate response.Choose the inequality that corresponds to the graph:
A. -2y > -2x - 6 B. -2y ? -2x - 6 C. -2y < -2x - 6 D. -2y ? -2x - 6
Solve the problem.A cab company charges a base rate of $1.50 plus 15 cents per minute. Let y be the cost in dollars of using the cab for x minutes. Find the slope-intercept form of the equation.
A. y = 0.15x + 1.50 B. y = 0.15x - 1.50 C. y = 1.50x - 0.15 D. y = 1.50x + 0.15
Use the substitution method or the elimination method to solve the system. If the system has infinitely many solutions, express the ordered pair in terms of x or y. 7x - 7y = 6-14x + 14y = -24
A. (7, 6)
B. no solution
C. 
D. (2, 4)