A quadratic function has a vertex of (0,7) and passes through the point (2, 3). Which of the following is the equation of the graph of the quadratic function?

The long jump record, in feet, at a particular school can be modeled by f(x) = 19.6 + 2.5ln(x + 1) where x is the number of years since records began to be kept at the school. what is the record for the long jump 11 years after record started being kept? round your answer to the nearest tenth.

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer