Evaluate the expression for the given value of x.(-2x)2, x = 3
A. 36
B. -18
C. 18
D. -36
Answer: A
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Solve the polynomial inequality. Express the solution in interval notation.(x - 7)(x + 1) > 0
A. (-?, -7) ? (1, ?) B. (-1, ?) C. (-1, 7) D. (-?, -1) ? (7, ?)
Goods or services from outside the industry that perform functions that are similar to an existing product in a different industry are known as
A. complimentary products B. substitute products C. switching products D. differentiated products
Verify the identity.
= 
What will be an ideal response?
Decide whether integration by parts or substitution should be used to compute the indefinite integral 
If substitution, indicate the value of u; if by parts, indicate f(x) and g(x).
A. substitution; u = 4x B. integration by parts; f(x) = ln 4x, g(x) =1 C. integration by parts; f(x) = ln x, g(x) = 4x D. integration by parts; f(x) = 1, g(x) = ln 4x E. none of these