The range of the function f(k) = k^2 + 2k + 1 is {25, 64}. what is the function’s domain? a. {5,8} b. {-5, -8} c. {3, 8} d. {4, 7} e. {4, 8}

Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

How do you find p(a and b) if a and b are independent events for two or more actions, such as tossing a coin twice and finding p(heads and heads)? 2. how do you find p(a or b) if a and b are independent events for one action, such as spinning a four-color spinner once and finding p(red or blue)?