Perform the indicated operation.(7a4 + 7a2) + (5a4 + 5a2)
A. 12a4 + 12a2
B. 12a8 + 12a4
C. 24a12
D. 24a6
Answer: A
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For the following equation, graph y = f1(x) and y = f2(x) on the same screen on your calculator. From the graphs, make a conjecture as to whether the equation is an identity. If so, prove your conjecture.cos 2x = sin 2x tan x
What will be an ideal response?
Solve the problem.The perimeter of a rectangle is 58 m. If the width were doubled and the length were increased by 5 m, the perimeter would be 78 m. What are the length and width of the rectangle?
A. width 9 m, length 14 m B. width 5 m, length 24 m C. width 14 m, length 14 m D. width 24 m, length 5 m
Maximize
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Solve the problem.A political poll has a built in error tolerance. A candidate receiving 41% support, according to the poll, could actually have 43% support and the poll would still be considered accurate. The error tolerance for the candidate with 41% support is 3%. An acceptable percentage p for the candidate must satisfy the inequality 
? 3. Solve the inequality and interpret the result.
A. 41 ? p ? 44 ; Actual support for the candidate could vary between 41% and 44%.
B. -44 ? p ? -38 ; Actual support for the candidate will not vary because you cannot have negative percentages.
C. 38 ? p ? 44 ; Actual support for the candidate could vary between 
and 44%.
D. -3 ? p ? 3 ; Actual support for the candidate could vary between -3% and 3%.