Question

find the limit: lim(2x+5) as x approaches -7

Answer 1

hmm, what do you think?

Answer 2

i have no idea!

Answer 3

well, as "x" goes towards -7, closer and closer and closer, say
-6, -6.1, -6.5, -6.7, -6.9

what would "y" turn to?

Answer 4

\(\begin{array}{c|cl}
x&y\\
\hline\\
-6&\square\\
-6.5&\square\\
-6.6&\square\\
-6.7&\square\\
-6.8&\square\\
-6.9&\square\\
\bf \large \color{red}{-7}&\square\\
-7.1&\square\\
-7.2&\square\\
-7.3&\square\\
-7.4&\square\\
-7.5&\square

\end{array}\)