If f(1)=7f(1)=7 and f(n)=-3f(n-1) then find the value of f(4)).

How many lines can be drawn through points j and k? 0 1 2 3

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!