Find the domain and range of the function.f(x) = -7 cos2 x
A. Domain: (-?, ?); range: [-7, 0]
B. Domain: (-?, ?); range: (-?, 0]
C. Domain: (-?, 0]; range: (-?, ?)
D. Domain: [-7, 0]; range: (-?, ?)
Answer: A
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Suppose that the functions f and g and their derivatives with respect to x have the following values at the given values of x. Find the derivative with respect to x of the given combination at the given value of x.
g(x + f(x)), x = 3
A. -5 B. -35 C. -30 D. 21
Find the formula for df-1/dx.f(x) = 1024x5
A. 
B. 5120x4
C. 
D. 20x4
Corporate-level strategic alliances often serve the same purpose as acquisitions. But alliances are more costly than acquisitions.
Answer the following statement true (T) or false (F)
Provide an appropriate response.If x2y + xz + z2 = 4, find 
.
Fill in the blank(s) with the appropriate word(s).