Find the value of df-1/dx at x = f(a).f(x) = x + 7, a = -4

A. 3
B. 7
C.
D.


Answer: A

Mathematics

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Graph the function.f(x) = 

A.

B.

C.

D.

Mathematics

Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the . y = , y = 0, x = 0, x = 4

A. 2?
B. ?
C. 4?
D. 8?

Mathematics

Find the perimeter of the figure.

A. 113 m B. 95 m C. 100 m D. 84 m

Mathematics

Use an inverse matrix to find the solution to the system.

A. x = 4, y = 1, z = 2 B. x = -4, y = 1, z = 8 C. x = 4, y = 2, z = 1 D. x = -4, y = 8, z = 1

Mathematics