Posted by **Trevor** on Friday, October 15, 2010 at 6:39pm.

If

12x − 52 ≤ f(x) ≤ x2 + 4x − 36

determine lim x→ 4 f(x) =

What theorem did you use to arrive at your answer?

- Calculus -
**bobpursley**, Friday, October 15, 2010 at 7:13pm
on the left, as x>4, 48-52

On the right, as x>4, 16+16-36

so

-4<=f(x)<=-4

so, squeezed from the right, squeezed from the left, lim f(x) x>4 = -4

## Answer This Question

## Related Questions

- probability - Let Sn be the number of successes in n independent Bernoulli ...
- Grade 12 Calculus - Determine the maximum and minimum of each function on the ...
- calculus - Determine the maximum and minimum of each function on the given ...
- calculus - Determine the maximum and minimum of each function on the given ...
- Calculus - If m ≤ f(x) ≤ M for a ≤ x ≤ b, where m is ...
- Calculus - Let f be a function such that f(−6)=−6, f(6)=6, f is ...
- CALC - Determine the maximum and minimum of each function on the given interval...
- Calculus - f is a continuous function with a domain [−3, 9] such that f(x...
- Calculus - If m ≤ f(x) ≤ M for a ≤ x ≤ b, where m is the...
- Math: Pre Cal - f(x) = {−8 if −3 ≤ x ≤ 0 {x if 0 < x...

More Related Questions