Translate the statement into a mathematical equation.When 2 times a number is subtracted from 7 times the number, the result is 55.
A. 2(x - 7) = 55x
B. 7x - 2x = 55
C. 2x + 11x = 55
D. 2x(7 - x) = 55
Answer: B
You might also like to view...
The horizontal asymptote for 
is given by the equation 
.
Answer the following statement true (T) or false (F)
Decide whether the statement is true or false.If the radius of a sphere is doubled, the surface area is multiplied by a factor of 4.
A. True B. False
Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local minimum at x = 3 ; local maximum at x = -3 ; concave up on (0, ?); concave down on (-?, 0) B. Local minimum at x = 3 ; local maximum at x = -3 ; concave down on (-?, -3) and (3, ?); concave up on (-3, 3) C. Local minimum at x = 3 ; local maximum at x = -3 ; concave down on (0, ?); concave up on (-?, 0) D. Local minimum at x = 3 ; local maximum at x = -3 ; concave up on (-?, -3) and (3, ?); concave down on (-3, 3)
Find the value of d2y/dx2 at the point defined by the given value of t.x = 3 sin t, y = 3 cos t, t = 
A. -2
B. 2
C. - 
D. 