Given f(x) = 2x2 + 2x and g(x) = x + 1, find (fg)(x)

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

5. (04.07)which of the following exponential functions goes through the points (1, 12) and (2, 36)? (2 points)f(x) = 3(4)^xf(x) = 4(3)^-xf(x) = 3(4)^-xf(x) = 4(3)^x