A 14-inch board has been cut into 2 sections, one 4 inches longer than the other. How long is the shorter piece.
?
A. 5 inches
B. 4 inches
C. 7 inches
D. 6 inches
Answer: A
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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 = 5t + 2, y = 15t + 2, -? ? t ? ?
A. y = 3x + 4; Entire line, from left to right
B. y = 3x - 4; Entire line, from right to left
C. y = 3x - 4; Entire line, from left to right
D. y = 3x + 4; Entire line, from right to left
Use logarithmic differentiation to find the derivative of y.y = 
A. 
B. 
C. 
D. 
+ cot x - 
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = 0, 0 ? x ? 
A. 
?
B. 2?
C. 8?
D. 16?
The two figures are congruent. Find the measure of the requested side or angle.?B'A'D'
A. ?B'A'D' = 63.7° B. ?B'A'D' = 26.3° C. ?B'A'D' = 41° D. ?B'A'D' = 49°