Simplify the expression. Assume all variables represent positive real numbers.
A. 81a
B. 3
C. 3a2
D. 3a
Answer: D
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Solve the problem.There were 430 people at a play. The admission price was $2.00 for adults and $1.00 for children. The admission receipts were $620. How many adults and children attended?
A. Adults: 240; children: 190 B. Adults: 190; children: 240 C. Adults: 155; children: 275 D. Adults: 120; children: 310
Write an equation for a function whose graph fits the given description.The graph of f(x) = 
is reflected across the y-axis and vertically shrunk by a factor of 
. This graph is then reflected across the x-axis. Finally, the graph is shifted 4 units upward.
A. y = 
B. y = - 
+ 4
C. y = 
+ 4
D. y = -
+ 4
Write the whole number in standard form.Forty million, nine hundred forty-six thousand, four hundred forty-seven
A. 40,946,000,447 B. 40,946,447 C. 4,946,447 D. 400,946,447
The graph of two functions, f and g, is shown below. Use the graph to find the value.
(f + g)(8)
A. -18 B. -2 C. 2 D. 6