Find the projection of u onto v if 
, 
.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: D
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Find the integral.
A. - e1/t7 + C
B. 
+ C
C. - 
+ C
D. - 
+ C
Solve.A rectangle that is x feet wide is inscribed in a circle of radius 20 feet. Express the area of the rectangle as a function of x. Graph the function and from the graph determine the value of x, to the nearest tenth of a foot, which will maximize the area of the rectangle.
A. 27.9 feet B. 28.3 feet C. 29.1 feet D. 28.7 feet
Write the standard form of the equation of the circle.The endpoints of a diameter are (3, 4) and (7, 4).
A. (x + 5)2 + (y + 4)2 = 4 B. (x - 5)2 + (y - 4)2 = 4 C. (x + 5)2 + (y + 4)2 = 2 D. (x - 5)2 + (y - 4)2 = 2
Solve the problem.A lottery game has balls numbered 1 through 19. What is the probability of selecting an even numbered ball or a 7?
A. 
B. 
C. 
D. 