2,0.2 -1,0.4 0,0.8 1,1.6 2,3.2 which exponential function is represented by the table

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?