Write the expression in the standard form a + bi.
4
A. 4
B. -4
C. 4i
D. -4i
Answer: B
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Solve the problem.A convention manager finds that she has $1130, made up of twenties and fifties. She has a total of 34 bills. How many fifty-dollar bills does the manager have?
A. 15 fifty-dollar bills B. 19 fifty-dollar bills C. 10 fifty-dollar bills D. 34 fifty-dollar bills
Express the expanded form as a Hindu-Arabic numeral.(1 × 105) + (9 × 104) + (5 × 103) + (4 × 102) + (8 × 101) + (5 × 1)
A. 7200 B. 320 C. 195,485 D. 32
Solve the problem. Use a Venn diagram, as needed.A local television station sent out questionnaires to determine if viewers would rather see a documentary, an interview show, or reruns of a game show. There were 100 responses with the following results:30 were interested in an interview show and a documentary, but not reruns;4 were interested in an interview show and reruns but not a documentary;14 were interested in reruns but not an interview show;24 were interested in an interview show but not a documentary;10 were interested in a documentary and reruns;6 were interested in an interview show and reruns;8 were interested in none of the three.How many are interested in exactly one kind of show?
A. 28 B. 48 C. 58 D. 38
Solve the problem.The function f(x) = |x|- 5 is not one-to-one.(a) Find a suitable restriction on the domain of f so that the new function that results is one-to-one.(b) Find the inverse of f.
What will be an ideal response?