Express the number in terms of i.
A.
B. -26i
C. i
D. - i
Answer: C
Mathematics
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Determine whether the graph is the graph of a function.
A. yes B. no
Mathematics
Estimate the interval(s) on which the function is increasing and decreasing.f(x) = 2 - 3x2
A. increasing on (?, 0); decreasing on (0, -?) B. increasing on (0, ?); decreasing on (-?, 0) C. increasing on (-?, 0); decreasing on (-?, 0) D. increasing on (-?, 0); decreasing on (0, ?)
Mathematics
Evaluate f(x) at the given value of x.f(x) = -4xx = 6.5
A. -2600 B. -26 C. -259.9 D. 2.5
Mathematics
Multiply.
A. 1085 B. 1075 C. 1065 D. 1175
Mathematics