Solve. Check for extraneous solutions.(2x - 12)1/4 + 7 = 13
A. {654}
B. {1308}
C. {18}
D. {-1194}
Answer: A
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When is the body's velocity increasing?
A. t < 7 B. t > 7 C. t > 4 D. t < 4
A seemingly simple argument is given. Identify at least two hidden assumptions.We should not vote for the incumbent because he has already been in office for three consecutive terms.
What will be an ideal response?
Solve the problem.A sample of 400 grams of radioactive substance decays according to the function 
where t is the time in years. How much of the substance will be left in the sample after 10 years? Round your answer to the nearest whole gram.
A. 12 g B. 1 g C. 282 g D. 0 g
Solve the linear system using an inverse matrix.
A. (-6, -2) B. (-2, -6) C. (6, 2) D. (2, 6)