Complete the identity.sin (? - ?) = ?
A. cos ?
B. -sin ?
C. -cos ?
D. sin ?
Answer: D
You might also like to view...
Provide an appropriate response.Graph y = - tan x and its derivative together on 
. Does the graph of 
appear to have a smallest slope? If so, what is it? If not, explain.
What will be an ideal response?
Solve the problem.Marcus is planting a section of garden with tomatoes and cucumbers. The available area of the section is 110 square feet. He wants the area planted with tomatoes to be more than 
of the area planted with cucumbers. Write a system of inequalities to describe the situation. Let 
to be planted in tomatoes and 
to be planted in cucumbers.
A. x + y ? 110 x > 40y x ? 0 y ? 0 B. x + y = 110 x ? 0.40y x ? 0 y ? 0 C. x + y ? 110 x < 0.40y x ? 0 y ? 0 D. x + y ? 110 x > 0.40y x ? 0 y ? 0
Sketch the graph of the equation. Identify the vertex and the intercepts.y = -4x2 - 8x - 8
A. Vertex (-1, -4)
x-intercepts: none
y-intercept: 
B. Vertex (1, -4)
x-intercepts: none
y-intercept (0, -8)
C. Vertex: (-1, -4)
x-intercepts: none
y-intercept: (0, -8)
D. Vertex (1, -4)
x-intercepts: none
y-intercept 
Use an inverse matrix to find the solution to the system.
A. x = 6, y = 7, z = 9 B. x = -6, y = 12, z = 7 C. x = -6, y = 7, z = 12 D. x = 6, y = 9, z = 7