Find the inverse of the function.f(x) = 
- 6
A. f-1(x) = x + 9
B. f-1(x) = 3x + 6
C. f-1(x) = 3x + 18
D. f-1(x) = 3x - 18
Answer: C
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Find the real numbers x and y.x - 2i = -6 + yi
A. x = 2, y = 6 B. x = -6, y = -2i C. x = -6, y = -2 D. x = -4, y = i
Find the work performed when the given force F is applied to an object, whose resulting motion is represented by the displacement vector d. Assume the force is in pounds and the displacement is measured in feet.
?
?
A. 896 ft-lb B. 901 ft-lb C. 899 ft-lb D. 900 ft-lb E. 895 ft-lb
A sequence b1, b2, b3, . . . satisfies the recurrence relation bk = 2bk?1 +8bk?2 with initial conditions b1 = 1 and b2 = 0. Find an explicit formula for the sequence.
What will be an ideal response?
Find the least common denominator for the equation.
A) 4
B) 80
C) 40
D) 8
E) 10