Provide an appropriate response.Write 7-2 as an ordinary number.
A. -14
B. 49
C. 
D. 
Answer: C
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Parametric equations and a parameter interval for the motion of a particle in the xy-plane are given. Identify the particle's path by finding a Cartesian equation for it. Graph the Cartesian equation. Indicate the portion of the graph traced by the particle and the direction of motion.x = 4 cos t, y = 4 sin t, ? ? t ? 2?
A. x2 + y2 = 1
Clockwise from (1, 0) to (1, 0), one rotation
B. x2 + y2 = 16
Counterclockwise from (-4, 0) to (4, 0)
C. x2 + y2 = 16
Clockwise from (4, 0) to (-4, 0)
D. x2 + y2 = 16
Counterclockwise from (4, 0) to (4, 0), one rotation
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 1
Provide an appropriate response.Explain and correct the error in the following problem: 
7. 5 5
What will be an ideal response?
Solve.5x2 + 2 = 22
A. ± 3 B. 2 C. 11 D. ± 2