What type of function is represented in the table? exponential linear quadratic logarithmic

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Find the distance between c and d on the number line c=3 and d=11