HELP

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

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11