Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

You are not logged in.

- Topics: Active | Unanswered

Pages: **1**

**nycmathguy****Member**- Registered: 2021-06-02
- Posts: 53

Complete the table for f(x) = x + 3 as x→2 from the right and left.

x tends to 2 from the left

Values for x: 1.9, 1.99, 1.999

x tends to 2 from the right

Values for x: 2.001, 2.01, 2.1

Solution:

I think this question is just an evaluation exercise.

I plug all the given x values to evaluate f(x) as x tends to 2.

Each value of x from the left and right gets me closer to 2 but never reaches 2, which is the basic limit idea.

Yes?

Offline

**Bob****Administrator**- Registered: 2010-06-20
- Posts: 9,207

Yes that's right.

But (small point)

Values for x: 2.001, 2.01, 2.1

I'm being very picky but this should be 2.1, 2.01, 2.001

as you're supposed to be getting closer and closer from the right.

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

Sometimes I deliberately make mistakes, just to test you! …………….Bob

Offline

**nycmathguy****Member**- Registered: 2021-06-02
- Posts: 53

Bob wrote:

Yes that's right.

But (small point)

Values for x: 2.001, 2.01, 2.1

I'm being very picky but this should be 2.1, 2.01, 2.001

as you're supposed to be getting closer and closer from the right.

Bob

Ok. I had the values x is tending to from the right in reverse order.

Offline

Pages: **1**