The expression

equals

where r, the exponent of h, is: ?

and t, the exponent of s, is: ?

and k, the leading coefficient is: 2

If you rationalize the denominator of

then you will get

where , , and are all positive integers (with no common factors).

7

4

?

Solve the following inequality. Write the answer in interval notation.

Note:If the answer includes more than one interval write the intervals separated by the "union" symbol, U. If needed enter asinfinityand as-infinity.

4< 3x+1 <6