Solve the problem.A deep-sea diver dives from the surface to 42 feet below the surface. She then dives down 27 more feet. Find the diver's depth.
A. 15 feet below the surface
B. 13 feet below the surface
C. 69 feet below the surface
D. 72 feet below the surface
Answer: C
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Divide and write the answer in scientific notation.
A. 2.6 × 10-15 B. 5.2 × 101 C. 5.2 × 10-15 D. 2.6 × 101
Determine whether the relations represent functions. Identify the domain and range of each relation.
A. function domain: [0, ?) range: (-?, ?) B. function domain: (-?, ?) range: [2, ?) C. not a function D. function domain: [2, ?) range: (-?, ?)
Solve the radical equation.
= -9
A. {76} B. ? C. {81} D. {86}
Write out the first five terms of the sequence.{sn} = {4(4n - 1)}
A. s1= -4, s2= 12, s3= 28, s4= 44, s5= 60 B. s1= 12, s2= 28, s3= 44, s4= 60, s5= 76 C. s1= 12, s2= 24, s3= 36, s4= 48, s5= 60 D. s1= 3, s2= 7, s3= 11, s4= 15, s5= 19