Answer :
1. False.
A function is not always linear. For example, a parabola can be a function, and it is not a straight line.
2. True.
y = x is a function. Its graph passes the vertical line test.
A function is not always linear. For example, a parabola can be a function, and it is not a straight line.
2. True.
y = x is a function. Its graph passes the vertical line test.