The graph of f ′(x) is continuous and increasing with an x-intercept at x = 5. Which of the following statements must be true?

The graph of f is always concave up.
The graph of f has an inflection point at x = 5.
The graph of f has a relative maximum at x = 5.
None of these is true.

The distance around the lake is 2 kilometers. ifelena wants to run 14 kilometers this week, howmany laps must she run around the lake

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

Someone which statements are true? check all that apply.