Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 298
B. 
C. 9
D. 
Answer: D
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Find dr/d?.?4/3 + r4/3 = 1
A. 
1/3
B. 
1/3
C. -
1/3
D. -
1/3
Solve the problem.The graph shows the relationship between current I and resistance R if the voltage is fixed. Find the current if the resistance is 1.6 ?.
A. 2.6 A B. 2.8 A C. 3.2 A D. 3.0 A
Give two parametric representations for the equation of the parabola.y = x2 - 4x + 7
A. x = t, y = t2 + 4t + 7 for t in (-?, ?); x = t - 2, y = t2 + 3 for t in (-?, ?) B. x = t, y = t2 + 4t + 7 for t in (-?, ?); x = t - 2, y = t2 - 3 for t in (-?, ?) C. x = t, y = t2 - 4t + 7 for t in (-?, ?); x = t - 2, y = t2 + 3 for t in (-?, ?) D. x = t, y = t2 - 4t - 7 for t in (-?, ?); x = t - 2, y = t2 - 3 for t in (-?, ?)
Determine whether the diagram could represent a function.
A. Yes B. No