Find all real numbers in the interval [0, 2?) that satisfy the equation.sin x = 1 - 2 sin2x
A. 
B. 
C. 
D. No solution
Answer: B
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Decide whether the equation is an identity, a conditional equation, or a contradiction. Give the solution set.5(2x - 31) = 10x - 155
A. Conditional; {0} B. Identity; {all real numbers} C. Identity; ? D. Contradiction; ?
The change from religious to lay teachers at Roman Catholic schools has been partly attributed to the decline in the number of women and men entering religious orders. The percent of teachers who are lay teachers is given by 
where t is measured in decades, with 
style="vertical-align:middle;" /> corresponding to the beginning of 1960. ? Find the year when the percent of lay teachers was increasing most rapidly. ? A. 1985 B. 1962 C. 1976 D. 1986 E. 1989
Solve the problem.If $5,000 is invested for 6 years at 5%, compounded continuously, find the future value.
Fill in the blank(s) with the appropriate word(s).
Write the first four terms of the geometric sequence with the given first term, a1, and common ratio, r.a1 = -3, r = -7
A. -3, 21, -63, 189, . . . B. -3, 21, -147, 1029, . . . C. -3, 21, 63, 189, . . . D. -3, 21, 147, 1029, . . .