Perform the indicated operations. Leave the result in polar form.(
)3
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Use the graph of f to determine the intervals where f is increasing and where f is decreasing.
A. increasing: [-2, 1]; decreasing: (-?, -2] ? [1, ?) B. increasing: [-2, 0] ? [1, ?); decreasing: (-?, -2] ? [0, 1] C. increasing: [-2, ?); decreasing: (-?, -2] D. increasing: [0, ?); decreasing: (-?, 0]
Mathematics
Provide an appropriate response.A common factor of the expression rs + rt is 
.
A. t B. r C. s + t D. s
Mathematics
Use ZERO (or ROOT) to approximate the smaller of the two x-intercepts of the equation. Express the answer rounded to two decimal places.y = x2 + 5x + 1
A. -4.79 B. 4.79 C. -0.21 D. 0.21
Mathematics
Determine whether the given ordered set of numbers is a solution of the system of equations.(6, -2)x + y = 4x - y = 8
A. No B. Yes
Mathematics