Solve and check. Use the square root principle to eliminate the square.
2 = 405
A. -30 ± 45
B. 
C. 45
± -30
D. 30 ± 45
Answer: D
Mathematics
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A. Yes B. No
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Provide an appropriate response.Give a definition or an example of the word or phrase. Quadratic function
What will be an ideal response?
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Solve for the indicated variable.I - I0 = (I1 -I0)10-kt, for t
A. t = - 
log 
B. t = - 
C. t = - 
log 
D. t = - 
log (I - I1)
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Simplify the polynomial by adding or subtracting, as indicated. Express your answer as a single polynomial in standard form.Add (3x4 + 4x3) and (6x4 + 7x3).
A. 9x4 + 11x3 B. 20x14 C. 9x8 + 11x6 D. 20x7
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