MTH251 7) Suppose R(t) = 1 12 - 4, 151 less than = to 2 3 t + 1 , t > 1 greater than 1 + 2-4 ( less than! ) +2 -4 (equal to1 ) 3 + + 1 a. Evaluate: R(-3) R(1) R ( 4 ) - 35 - 4 =-13 12 - 4 =-3 3 ( 4 ) + 1 = 13 R (- 3 ) = - 13 R(1 ) = - 3 R ( 4 ) = 13 b. Solve: R(t) = 30. 8) Determine the domains: a. f(x) = V3x-7 6t b. G(t) = - St - 2 c. r(0) = tan 0 d. y = In(x+1)