Use the fundamental identities to simplify the expression.cos x tan x
A. sin x
B. cot x
C. cos x
D. 1
Answer: A
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Express the vector in the form ai + bj.
if P1 is the point (-5, -3) and P2 is the point (-3, -6)
A. v = -2i - 3j B. v = -2i + 3j C. v = 2i - 3j D. v = -i + 3j
Assume you have a digraph with 5 vertices (A, B, C, D, and E) and 9 arcs. A is incident from C, D, and E; B is incident to D and E and incident from C; D is incident to C and incident from E.Which of the following is not a path from vertex B to vertex A in the digraph?
A. B, D, A B. B, D, C, A C. B, E, A D. B, C, D, A E. all of these are paths from A to E.
For the given pair of functions, find the requested function.f(x) = 4x - 3, g(x) = -7x + 10; (f + g)(x)
A. -4x + 13 B. 11x - 7 C. -3x2 + 7 D. -3x + 7
For the given pair of functions, find the requested function.f(x) = 15x2 + 13x + 5 and g(x) = 9x2 + 7x - 7; (f - g)(x)
A. 6x2 + 6x - 2 B. 6x2 + 6x + 12 C. 6x2 - 6x - 12 D. 6x4 + 6x2 + 12