Rewrite using a positive exponent. Evaluate, if possible.
? 
? 
? 
A. 
4
B. (4)1/2
C. 
D. (2)4
Answer: A
Mathematics
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Solve the problem.Find the average of the list of Fahrenheit temperatures. -17°, 2°, -9°, 3°, 12°, -5°, and 7°F
A. -2°F B. 1°F C. -1°F D. -3°F
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Use the quadratic formula to solve the equation. Simplify any radicals.x2 + 6x + 4 = 0
A. {3 ± 
}
B. {2}
C. {-3 ± 
}
D. {
± 3}
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Use a graphing utility to find the discontinuities of the given rational function.f(x) = 
A. 3 B. 1 C. -1 D. The function is continuous for all values of x.
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = x7 sin x
A. 7 cos x ln x + 
B. x sin x
C. 7 x7 sin x
D. 7 sin x ln x
Mathematics