Provide an appropriate response.Think of each of the following processes as a function designated by the indicated letter. f: Hammering a nail into g: Removing a nail from Describe the function (f ? f)(board).
What will be an ideal response?
Hammering two nails into a board
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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 = 3 cos t, y = 3 sin t, ? ? t ? 2?
A. x2 + y2 = 1; Clockwise from
(1, 0) to (1, 0), one rotation
B. x2 + y2 = 9; Counterclockwise from
(-3, 0) to (3, 0)
C. x2 + y2 = 9; Counterclockwise from
(3, 0) to (3, 0), one rotation
D. x2 + y2 = 9; Clockwise from (3, 0) to (-3, 0)
Solve the formula for the specified variable.a + b = s + r for r
A. r = 
+ b
B. r = a + b - s
C. r = 
D. r = s(a + b)
Calculate.8.86 + 0.77(11)
A. 105.93 B. 17.33 C. 107.09 D. 104.78
Evaluate the algebraic expression under the given conditions.4(-6x - 2y) for x = -7, y = 6
A. -88 B. 224 C. 120 D. -6