Evaluate the radical expression if it is a real number. Use a calculator to approximate irrational numbers to the nearest hundredth. If the expression is not a real number, so state.- 
A. 7.76
B. -7.75
C. -7.76
D. not a real number
Answer: C
Mathematics
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Solve the problem.In an arithmetic sequence with first term P1 and common difference d, the Nth term is given by
A. P1 + Nd. B. d + NP1. C. d + (N - 1)P1. D. P1 + (N - 1)d. E. none of these
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Compute the gradient of the function at the given point.
A. -2i + 3j B. 8i - 6j C. -4i - 2j D. 8i + 6j
Mathematics
Use a graphing calculator to solve the equation. Round to two decimal places.9x = 5.7
A. 3.82 B. 0.79 C. -0.46 D. 0.54
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Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 
+ 2
A. 
B. 
C. 
D. 
Mathematics