Refer to the graph of the linear function defined by 
or the graph of the linear functions defined by 
and 
to solve the equation or inequality.
y1 - y2 = 0
A. {2}
B. {4}
C. {5}
D. {9}
Answer: A
Mathematics
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Replace the Cartesian equation with an equivalent polar equation.x = 8
A. r = 8 csc ? B. r = 8 sin ? C. r = 8 cos ? D. r = 8 sec ?
Mathematics
Determine whether the statement is true or false.7[4 + (4 - 3)] < 29
A. True B. False
Mathematics
Solve. x - z = -73x - y = -1 x + y + z = 18
A. (-1, 7, 9) B. (2, 7, 9) C. no solution D. (2, 3, 9)
Mathematics
Solve the equation by clearing the constant.30 = -14 + n
A. n = -16 B. n = -44 C. n = 44 D. n = 16
Mathematics