Solve for x.3-2x + 6 = 1
A. x = 0.33333333
B. x = 3
C. x = -3
D. x = 5
Answer: B
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Round to the indicated place value.Round to the nearest hundredth: 0.351
A. 0.35 B. 0.36 C. 0.4 D. 0.34
At one high school, students can run the 100-yard dash in a mean of 15.2 seconds with a standard deviation of 0.9 seconds. The times are very closely approximated by a normal curve. Rounding to the nearest tenth of a percent as necessary, find the percent of times that are:Between 16.1 and 17 seconds
A. 34% B. 27% C. 12% D. 13.5%
Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero.f(x) = 3(x + 5)(x - 5)2
A. 5, multiplicity 1, touches x-axis and turns around; -5, multiplicity 2, crosses x-axis B. 5, multiplicity 1, crosses x-axis; -5, multiplicity 2, touches x-axis and turns around C. -5, multiplicity 1, crosses x-axis; 5, multiplicity 2, touches x-axis and turns around D. -5, multiplicity 1, touches x-axis and turns around; 5, multiplicity 2, crosses x-axis
Solve the problem.A sample of 600 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 30 years? Round to the nearest whole gram.
A. 2947 g B. 0 g C. 1 g D. 204 g