Use the vertex and intercepts to sketch the graph of the quadratic function.f(x) = 3 - x2 - 2x 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Provide an appropriate response.Graph f(x) = cos-1 x together with its first derivative. Comment on the behavior of f and the shape of its graph in relation to the signs and values of f'. 
What will be an ideal response?
Mathematics
Provide an appropriate response.For x2y + xz + z2 = 4, evaluate 
when x = -1, y = 2, z = -1.
What will be an ideal response?
Mathematics
Add. Do not use a number line except as a check.482 + (-72) + 70 + (-481) + (-38) + 259
A. 296 B. -220 C. 220 D. -1402
Mathematics
Graph using the slope and the y-intercept.y = 5x + 4
A. 
B. 
C. 
D. 
Mathematics