What is the sum of (3x + 5) and (4x - 4)?

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

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

What expression is equivalent to log3(x+4)