jensenadam6896 jensenadam6896 12-01-2023 Mathematics contestada Determine the limit by sketching an appropriate graph. lim: x ->-7 from : f(x), where f(x) = S-3x +0 for x <7 and 5x + 1 for x >=7 a. 1 b. -21 c. 36 d. 2