Question

What is the value of the function Y=2x -3 when x = –1?

A.
–5 <-- I think its a.

B.
2

C.
–1

D.
3

Answer 1

Write out the function again: y=2x-3
Now replace the "x" with (-1), inside parentheses, as indicated.
Evaluate the result.

y= ? when x=-1

Answer 2

Oh now I see.