Please help me with this problem ASAP

The data in the table represent the height of an object over time. which model best represents the data? height of an object time (seconds) height (feet) 05 1 50 2 70 3 48 quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Which of the following is true for the relation f(x)=2x^2+1