What is the value of x^3+y^0x 3 +y 0 x, start superscript, 3, end superscript, plus, y, start superscript, 0, end superscript when x=3x=3x, equals, 3 and y=4y=4y, equals, 4?

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )