1. Find a δ > 0 so that | x – 2 | 2 + 2x – 18 | 2. Find a δ > 0 so that | x + 2 | 2 – 3x – 10 | 3. Let f , g, and h be functions from D into R, and let c be an accumulation point of D. Suppose that...

1. Find a δ > 0 so that | x – 2 | <>²
+ 2x – 18 |

2. Find a δ > 0 so that | x + 2 | <>²
– 3x – 10 |

3. Let f , g, and h be functions from D into R, and let c be an accumulation point of D. Suppose that f (x) ≤ g (x) ≤ h (x), for all x ∈ D with x ≠ c, and suppose lim_{x → c}
f (x) = lim_{x → c}
h (x) = L. Prove that lim_{x → c}
g (x) = L