What is the slope of line that goes through )8,8) & (4,6)

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

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}.

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle