Show work please

5. A note card company has found that the marginal cost per card of producing x note cards is given by the function below, where C' (x) is the marginal cost, in cents, per card. Find the total cost of producing 970 cards, disregarding any fixed costs. C'(x) = -0.04x + 89, for x's 1000 6. Find the area between the curve and the x-axis over the indicated interval y = 36 -x: [ -6, 6]