Question

Determine if the following is always, sometimes, or never true.

y = -1/5 x + 3 is a function.

Answer 1

Is the questions whether y = -1/5x + 3 a function or not?

Answer 2

A. Always
B. Sometimes
C. Never

Answer 3

Remember, "A function assigns exactly one output to each input". So ask yourself, when the value of x changes, does everything on the right side of the equals sign ever equal the same thing twice? Another things you could do is to graph this and use the vertical line test.

Answer 4

oooh ok