What do I do to simplify 77/84 ?

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

Use the ratio test to determine whether ∑n=14∞n+2n! converges or diverges. (a) find the ratio of successive terms. write your answer as a fully simplified fraction. for n≥14, limn→∞∣∣∣an+1an∣∣∣=limn→∞.

Change negative exponents to positive. then solve. round to four decimal places