Find the opposite, or additive inverse.19
A. -19
B. -1
C. 0
D. 19
Answer: A
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Solve the equation by the square root property.7x2 = 63
A. {-3, 3}
B. {-7, 7}
C. {-3
, 3
}
D. {0}
Solve the problem.At Allied Electronics, production has begun on the X-15 Computer Chip. The total cost function is given by 
and the total profit function is given by 
, where x represents the number of boxes of computer chips produced. The total revenue function, R(x), is such that 
. Find R(x).
A. R(x) = 57x - 0.3x2 B. R(x) = 55x - 0.3x2 C. R(x) = 54x - 0.6x2 D. R(x) = 55x + 0.3x2
Write the complex number in trigonometric form. Begin by sketching the graph to help find the argument ?.
?
What will be an ideal response?
Solve the problem.Mary lives on a corner lot. The neighborhood children have been cutting diagonally across her lawn instead of walking around the yard. If the diagonal distance across the lawn is 
and the longer part of the sidewalk is twice the shorter length, how many feet are the children saving by cutting across the lawn? Round to the nearest foot if necessary.
A. 27 ft B. 12 ft C. 9 ft D. 7 ft