Target du
st Due: Last Thursday
2. For which substance does AHF = 0?
com Earth's Crust
O C(s, diamond)
ast Due: Last Thursday
O H₂O(1)
bons from Earth's
Past Due: Last Friday
O 03(9)
O Br2(1)
Today
Today

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6