Question

Help please:))))))))))))))))))))

Answer 1

option 4; 0

Explanation:

`f(x) = \left \{ {{2x + 7; x<1 } \atop {10 - 5x; x \geq 1}} \right.`

Substitiute in "2" for "x".

Since "2" is greater than "1", then the second equation must be used.

Substitute in "2" of "x".

10 - 5x

10 - 5 * 2

10 - 10

0

Option 4 is 0.