Find all complex-number solutions by completing the square.8x2 - 3x + 1 = 0
A. 
B. 
C. 
, 
D. 
Answer: B
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The figure shows the graph of a function. At the given value of x, does the function appear to be differentiable, continuous but not differentiable, or neither continuous nor differentiable?x = 1
A. Differentiable B. Continuous but not differentiable C. Neither continuous nor differentiable
Find the coordinates of the vertex of the quadratic function.f(x) = 6x2 + 12x - 4
A. (-2, 8) B. (1, 14) C. (-1, -10) D. (2, 44)
Water whose temperature is at 100 oC is left to cool in a room where the temperature is 50 oC. After 3 minutes, the water temperature is 94 oC. If the water temperature T is a function of time t given by 
, find k.
?
Round your answer to the nearest hundredth.
?
k ? __________
Fill in the blank(s) with the appropriate word(s).
Use the percent proportion to answer the question. Round your answer to the nearest tenth of a percent, if necessary.What percent of 7 feet is 0.02 feet?
A. 350.0% B. 2.9% C. 0.3% D. 28.6%