Please help me with this algebra problem, it’s in the picture. I’ll give you brainliest if it’s correct!!

Line cd passes through points c(1, 3) and d(4, –3). if the equation of the line is written in slope-intercept form, y = mx + b, what is the value of b? –5 –2 1 5

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?