Provide an appropriate response.The equation of a circle can be written in the form x2 + y2 = r2. Is this a function? Why or Why not?

What will be an ideal response?


It is not a function because for y ? 0, there are 2 y-values for every x-value. It fails the vertical line test.

Mathematics

You might also like to view...

Find the requested composition of functions.Given f(x) =  and g(x) = 8x5, find (g ? f)(x).

A.
B.
C.
D.

Mathematics

Solve the given inequality (a related function is graphed).x2 + 4x < 2x + 8 x-intercepts: (-4,0), (2,0)

A. (2, 4) B. [-4, 2] C. (-4, 2) D. (-?, -4) ? (2, ?)

Mathematics

Find the domain of the function.f(x) = log4(x - 9)2

A. (-?, 9) or (9, ?) B. (9, ?) C. (-?, 0) or (0, ?) D. (-9, ?)

Mathematics

Find the value of x.

A) x = 8 B) x = 128 C) x = 2 D) x = 256

Mathematics