Solve.
= 4
A. 16
B. 
C. 
D. 4
Answer: D
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Solve the problem.Find the point on the parabola x = t2, y = t, -? < t < ?, closest to the point 
. (Hint: Minimize the square of the distance as a function of t.)
A. (0, 0)
B. (4, 2)
C. (1, 1)
D. 
Find the equation of the line passing through the indicated two points in standard form.(3, -2) and (-1, 3)
A. -5x + 4y = 7 B. -5x + 4y = -7 C. 5x - 4y = -7 D. 5x + 4y = 7
Solve the problem.The revenue achieved by selling x graphing calculators is figured to be 
The cost of each calculator is 
How many graphing calculators must be sold to make a profit (revenue - cost) of at least $163.80?
A. {x?23 < x < 37} B. {x?6 < x < 24} C. {x?21 < x < 39} D. {x?22 < x < 20}
Graph the function using a graphing utility and the Change-of-Base Formula.logx - 5(x + 5)
A. 
B. 
C. 
D. 