Find the indicated composite for the pair of functions.f(x) = 7x + 6; g(x) = Find (g?f)(3).

A. - 
B.
C.
D. - 18


Answer: A

Mathematics

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Perform the indicated operation. Simplify if possible. + 

A.
B.
C. 3x - 4
D.

Mathematics

Solve the problem.For the space curve x = t, y = t2, z = t , find the points at which the function f(x, y) takes on extreme values if fx = 81, fy = , and fz = 180t.

A. t = 0
B. t = -18 and t = -20
C. t = -9 and t = -10
D. t = -  and t = - 5

Mathematics

In a right triangle, find the length of the side not given. Let c represent the length of the hypotenuse. Give an answer to the nearest tenth if necessary.a = 30 cm, c = 50 cm

A. b = 20 cm B. b = 10 cm C. b = 80 cm D. b = 40 cm

Mathematics

Solve the equation. = 12

A. {144} B. {-12} C. {-12, 12} D. {12}

Mathematics