Find the exact value of the expression.cos 
A. 
B. 
C. 
D. 
Answer: B
You might also like to view...
Find the flux of the vector field F across the surface S in the indicated direction.F(x, y, z) = xyi + yzj + xzk , S is the surface of the rectangular prism formed from the coordinate planes and the planes x = 3, y = 3, and z = 1, direction is outward
A. 
B. 
C. 
D. 63
Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = (6x - 5y)3
A. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
c ? 0
B. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines 
c ? 0
C. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
D. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines 
Solve the systems of equtions using the addition method. 
A. {(5, 4)} B. no solution; ? C. {(6, 3)} D. {(6, 4)}
Sketch the graph of the equation. Identify the vertex and the intercepts.y = x2 - 4x + 7
A. vertex: 
;
x-intercepts: (1, 0) and (7, 0);
y-intercept: (0, 7)
B. vertex: (2, -4);
x-intercepts: (0, 0) and (4, 0);
y-intercept: (0, 0)
C. vertex: (2, -3);
x-intercepts: none;
y-intercept: (0, -7)
D. vertex: (2, 3);
x-intercepts: none;
y-intercept: (0, 7)