4. a. In a one-variable data table, how many input cells can we change? (2.5 Points) b. In a one-variable data table, how many output cells can we observe? (2.5 Points) c. In a two-varjiable data table, how many input cells can we change? (2.5 Points) c. In a two-variable data tabl d. In a two-variable data table, how many output cells can we observe? (2.5 Points)