Parametric equations and 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 = 25t2, y = 5t, -? ? t ? ?
A. x = y2; Entire parabola, top to bottom (from
1st quadrant to origin to 4th quadrant)
B. y = x2; Entire parabola, right to left (from
1st quadrant to origin to 2nd quadrant)
C. x = y2; Entire parabola, bottom to top (from
4th quadrant to origin to 1st quadrant)
D. y = x2; Entire parabola, left to right (from
2nd quadrant to origin to 1st quadrant)
Answer: C
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Divide.-22 ÷ 2
A. -21
B. 11
C. - 
D. -11
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Fit a quadratic function f(x) = ax2 + bx + c to the data. What is the value of b?
A. 0.65 B. -.4 C. 1.2 D. 0.8
Find the integral.
A. 
ln 
+ C
B. 
ln 
+ C
C. 
ln 
+ C
D. 
ln 
+ C