Use the quadratic formula to solve the equation. If the equation has no real number solution, so state.4x2 + x - 1 = 0
A. x = 
B. No solution
C. x = 
D. x = 
Answer: D
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Use the formula for 
to solve.A club elects a president, vice-president, and secretary-treasurer. How many sets of officers are possible if there are 8 members and any member can be elected to each position? No person can hold more than one office.
A. 336 B. 1680 C. 168 D. 112
Sketch the graph the rational function, including all asymptotes.f(x) = 
A. 
B. 
C. 
D. 
Evaluate.(-9)2
A. 18 B. 81 C. -18 D. -81
The position function s(t) = t² + 5t gives the miles, s, after t hours. Find the average velocity on the intervals [1,2], [1,1,5], [1,1,1], and [1,1,1], and [1,1.01] then estimate the instantaneous velocity at t = 1.
A) Avg. Vel: 0.12 mi/hr, 0.13 mi/hr, 0.14 mi/hr, 0.14 mi/hr; Inst. Vel: 0.14 mi/hr B) Avg. Vel: 0.12 mi/hr, 0.13 mi/hr, 0.14 mi/hr, 0.14 mi/hr; Inst. Vel: 0.15 mi/hr C) Avg. Vel: 8 mi/hr, 7.5 mi/hr, 7.1 mi/hr, 7.01 mi/hr; Inst. Vel: 7 mi/hr D) Avg. Vel: 8 mi/hr, 7.5 mi/hr, 7.1 mi/hr, 7.01 mi/hr; Inst. Vel: 7.001 mi/hr