I need help with these problems, please help.

1.

Given the information below, estimate the total distance travelled during these 6 seconds using a left endpoint approximation. velocity (ft/sec) Use Part | of the Fundamental Theorem of Calculus to find each of the following when m) = [1 mtsdt. 5 1 The value of d is 2 1Evaluate the indefinite integral. 3 dt (t + 12) 5 + C Check Answer