Evaluate.3x2 + 4xy - 3y2 for x = -4 and y = 3
A. -69
B. 177
C. 5
D. -27
Answer: D
Mathematics
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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. -32 B. -4 C. -36 D. 27
Mathematics
Express in terms of i.
A. -2i
B. 2
C. 2i
D. -2
Mathematics
Multiply, then simplify the product. Assume that all variables represent positive real numbers.(5 + 
)2
A. 28 + 10
B. 8 + 10
C. 28 + 5
D. 25 + 10
Mathematics
Find the intervals over which the given function is increasing, is decreasing, or is constant.f(x) = 2x + 5
A. increasing on (-?, ?) B. constant on (2, 5) C. decreasing on (-?, 2/5); increasing on (2/5, ?) D. decreasing on (-?, ?)
Mathematics